Republican Mitt Romney told black voters that he’s a better choice than President Barack Obama to improve black unemployment rates in the U.S. at the NAACP’s annual meeting Wednesday in Houston But Romney was greeted with boos from attendees Wednesday in Houston when he pledged to repeal “Obamacare.” On Tuesday Romney’s campaign acknowledged attracting black voters is a long shot.[ Visit a story published earlier today to read more about Romney’s comments at the NAACP meeting.](