bankruptcy becoming detroit s last resort. the city is $18 billion in the red right now. what this means for other cities teetering on that edge. but first, we re following the several marches that i was mentioning, organized by the national action network today. justice for trayvon vigils were held in about 100 cities across the country. founder and msnbc host al sharpton is urging the justice department to press civil rights against george zimmerman. hundreds of demonstrators gathered outside a federal building in downtown los angeles this afternoon demanding justice. in chicago, speakers drew comparisons between trayvon martin s death and the 1955 murder of chicago teen emmitt till in mississippi. in new york, trayvon martin s mother sybrina fulton, and brother jahvaris, appeared this afternoon. she had a message for the crowd gathered there. not only do i vow to you to do what i can for trayvon martin, i promise you i m going