U.S. Secretary of State Mike Pompeo has made a surprise visit to Iraq, reassuring the country's leaders that Washington remains committed to the fight against the Islamic State Group. <br />His trip to the Middle East comes amid confusion over changing messages from the Trump administration about a planned U.S. troop withdrawal from Syria.<br />Pompeo is on a mission to calm fears among America's Arab allies that the U.S. is abandoning the region.<br />The secretary's stop in Iraq comes two weeks after President Trump made a Christmas visit to U.S. troops based there. <br />That trip was criticized by many Iraqis for its failure to include a meeting with the country's leadership. <br />