U.S. President Donald Trump frequently contradicts himself, sometimes in the same speech, social media post or even sentence. Within the space of a few hours Friday, he sent a torrent of mixed signals about the Iran war that raise more questions about the direction of the conflict and his administration's strategy. During this time, Trump said he was considering winding down the war, his administration confirmed it was sending more troops to the Middle East and, in an effort to lessen the economic impact on global energy markets, the United States lifted sanctions on some Iranian oil for the first time in decades — relieving some of the pressure that Washington traditionally has used as leverage. The confusing combination of actions deepens a sense among Trump's critics that there is no clear, long-term strategy for the war the U.S. and Israel launched against Iran. Now in its fourth week, the war remains on an unpredictable path and a credible endgame is unclear even as the global economy is being roiled. Just 24 hours after saying the U.S. was thinking of walking away from the confl