President Donald Trump is set to host Ukrainian President Volodymyr Zelenskyy for talks at the White House on Friday, with the U.S. leader signaling he's not ready to agree to sell Kyiv a long-range missile system that the Ukrainians say they desperately need. On Tursday, the U.S. president and Russian President Vladimir Putin held a lengthy phone call to discuss the war in Ukraine, following which Trump appeared to downplay the prospects of Ukraine getting Tomahawk missiles. Story by Monte Francis.