A SENSE OF UNREALITYMichael Brown: a shining example of humanityhttp://makeashorterlink.com/?M240161EB[AP] A combative Michael Brown blamed the Louisiana governor, the New Orleans mayor and even the Bush White House that appointed him for the dismal response to Hurricane Katrina in a fiery appearance Tuesday before Congress. . .At several points, Brown turned red in the face and slapped the table