The sudden resignation of U.S. Central Command chief Adm. William Fallon may have been the result of White House pressure due to his perceived opposition to the administration's policy on Iran, a senior House Democrat speculated today. "I know that when a commander resigns he has to feel very uncomfortable for some reason," House Appropriations defense subcommittee chairman John Murtha (D-PA) told reporters on Capitol Hill today. Murtha spoke to Defense Secretary Robert Gates via phone just before Gates announced...