Washington — President Trump has been asking advisers around him and on the phone whether Defense Secretary Pete Hegseth should stay in his job, following Republicans' catastrophic losses Tuesday night, multiple sources familiar with the matter tell CBS News. Some White House aides have predicted some of the blame for GOP midterm losses will be trained on Adm. Brad Cooper, the head of U.S. Central Command, and Chairman of the Joint Chiefs of Staff Gen. Dan Caine, who both played big roles in guidance on the Iran war. Still, other sources said the president hasn't decided to replace Hegseth. Before...