In other news, the senators leading a congressional investigation into the government’s response to Hurricane Katrina are accusing the Bush administration of thwarting their inquiry. Senators Susan Collins and Joe Lieberman, co-chairs of the Senate Homeland Security and Governmental Affairs Committee, said Tuesday the White House is barring administration officials from answering questions and is failing to hand over documents. The Senators also singled out officials at the Homeland Security, Justice and Health and Human Services departments for ignoring their document requests. Collins, a Republican, called the White House’s stance QUOTE “completely inappropriate.”