Ukraine, Iran shadow high-stakes NATO summit as Trump leans on allies, embraces Erdogan

The NATO summit kicking off in Turkey this week affords President Trump a rare in-person opportunity to lean on European allies dragging their feet on defense spending, as well as a chance to showcase his administration's embrace of this year's host, Turkish President Recep Tayyip Erdogan. Ukraine, Syria and a high-profile press conference also figure into the American president's two days in Ankara.