President Donald Trump pushed Ukrainian President Volodymyr Zelenskiy to give up swaths of territory to Russia during a tense meeting on Friday that left the Ukrainian delegation disappointed, according to two people briefed on the discussion. Trump also declined to provide Tomahawk missiles for Ukraine's use, and mused about giving security guarantees to both Kyiv and Moscow, comments that the Ukrainian delegation found confusing, added the two sources, who requested anonymity to discuss a pri