The Miami Heat have posted photos of players in hooded sweatshirts in response to the death of black teenager Trayvon Martin, who was shot by a neighborhood crime-watch volunteer in Florida.Dwyane Wade posted a photo of himself in a hoodie on Twitter and Facebook. Later Friday, LeBron James also posted a photo on Twitter of Heat players in hoodies, all with heads bowed and their hands in their pockets. http://espn.go.com/nba/truehoop/miam...trayvon-martin