Baltimore's top cop warned Tuesday against "race-baiting" amid rising tensions across the nation, citing the Trayvon Martin case and cautioning that a video generating outrage on the Internet of a tourist being beaten and stripped in downtown Baltimore does not appear to depict a hate crime. Police Commissioner Frederick H. Bealefeld III, appearing on WBAL's "The C4 Show," said the attack on a 31-year-old white man from Arlington, Va., appears to be nothing beyond "drunken opportunistic criminality." The comment came in response to a caller who said that if the victim had been black and the assailants white, civil rights...