...federal agency he manages. His appearances before two of the three Senate panels holding hearings Tuesday on the giant oil spill came as federal officials kept a wary eye on the expanding dimensions of the problem. The government increased the...

...Browne, who had already moved up his departure by more than a year after a deadly refinery blast in Texas and a giant oil spill in Alaska, denied any improper conduct relating to BP. But he acknowledged that he had lied to a judge about how...