Justice for All Rally in Washington DC

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.   (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.   (Saul Loeb / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue to the US Capitol in Washington, DC, on December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.  (Saul Loeb / Getty Images)

Preston Miller holds his hands up during the “Justice For All” march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States.   (Jim Watson / Getty Images)

Thousands take part in the Justice for All March and Rally on Pennsylvania Avenue through downtown Washington, DC, on December 13, 2014, to protest the killings of unarmed African Americans by police officers and the decisions by Grand Juries to not indict them.   (Saul Loeb / Getty Images)

Michael Brown Sr. (L), the father of Ferguson shooting victim Michael Brown, stands with US Senator Kirsten Gillibrand (C), D-New York, and Reverend Al Sharpton (R) during the “Justice For All” march in Washington, DC, December 13, 2014. Thousands of people descended on Washington to demand justice Saturday for black men who have died at the hands of white police, the latest in weeks of demonstrations across the United States.   (Jim Watson / Getty Images)

Reverend Al Sharpton (C) stands alongside US Senator Kirsten Gillibrand (L), Democrat of New York, and family members of unarmed African-Americans who have been killed by police offiers, join thousands as they take part in the Justice for All March and Rally down Pennsylvania Avenue through downtown Washington, DC, December 13, 2014, to protest the killings of unarmed African-Americans by police officers and the decisions by Grand Juries to not indict them.   (Saul Loeb / Getty Images)