WASHINGTON, March 15 — For the first time, the Bush administration has identified several senior Iraqi officials, including Saddam Hussein's two sons, who would be tried for war crimes or crimes against humanity after an American-led attack on Iraq, a senior American official said today. In addition to Mr. Hussein himself, the list includes members of his inner circle who sit atop a hierarchy of 2,000 members of the Iraqi elite who were previously identified by American intelligence agencies. But only now are the names of the top group being made public. Administration officials said they had planned to send...