The Congressional Black Caucus has asked Democratic leaders to hire more minorities to work for House committees and on lawmakers' staffs, saying the dearth of diversity on Capitol Hill is a problem. In a letter to House Speaker-elect Nancy Pelosi and the leaders of the Democratic Steering Committee, the CBC said the party must increase the number of minorities working for committees and subcommittees, which will be controlled by Democrats. The hiring of black, Hispanic, Asian and other minority staffers has "been a major problem" for years, said outgoing CBC Chairman Melvin Watt, North Carolina Democrat. "All you have to...