Baltimore police say they are investigating a witness account that a group of black youths beat a Hispanic man near Patterson Park Sunday while saying, "This is for Trayvon." A witness posted the account on a community Facebook page, and police confirmed they are looking into whether the suspects' reaction to the verdict in the Florida trial of George Zimmerman played a part in the incident. A police report on the beating does not mention the alleged comments. Sgt. Eric Kowalczyk, a police spokesman, declined to go into further detail. In a post that drew nearly 50 comments on Facebook,...