NEW : Protesters rally in Detroit , New York , New York and Denver . NEW : `` If it can happen to her son , it can happen to anybody 's son or daughter , '' says one . Obama urges `` calm reflection , '' asks American to reflect on toll of gun violence . The verdict in the closely watched trial echoed far beyond the central Florida city 's borders in a case that drew national attention and has been racially charged from the start . `` Only white life is protected in America , '' one protester in Washington shouted early Sunday . Leaders call for protests to remain peaceful , push for change .
NEW : Protesters rally in Detroit , New York , New York and Denver . NEW : `` If it can happen to her son , it can happen to anybody 's son or daughter , '' says one . Obama urges `` calm reflection , '' asks American to reflect on toll of gun violence . Leaders call for protests to remain peaceful , push for change .