Rev. Al Sharpton (L), President of the National Action Network,  Esaw Garner (C), widow of Eric Garner,  and Emerald Garner (R), daughter of Eric Garner, hold a press conference December 3, 2014 in New York, after a grand jury decided not to charge a white police officer in the choking death of Eric Garner, a black man, days after a similar decision sparked renewed unrest in Missouri.  Eric Garner died after being placed in a chokehold by New York police Officer Daniel Pantaleo while being arrested on suspicion of selling untaxed cigarettes in Staten Island.    AFP PHOTO /  Timothy A. CLARY        (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)