Announcer this is nbc nightly news with lester holt. Substituting tonight, harry smith. Good evening. It is a week since a jury in florida found George Zimmerman not guilty in the death of Trayvon Martin. Since then americans have been grappling with the means of that verdict. Race has been an ines capable part of that conversation. Yesterday a pensive president obama spoke for 19 minutes about the case. He said Trayvon Martin could have been me 35 years ago. Across the country today there were vigils and rallies. Michelle franzen is in Lower Manhattan with the latest. Good evening. Reporter good evening. The verdict in florida is a flash point over the laws, self defense laws and about race. Crowds gathered in protest and in prayer and called for outrage to be turned into action. Some echoing the president s own words. A day after president obama weighed in on the Trayvon Martin verdict. Trayvon martin could have been me 35 year ago. Thousands turned out in a show of solidarity as jus