 news i'm deborah valentine president biden hosting a nato summit in washington as calls continue for him to end his campaign for the white house fox's lucas tomlinson nato leaders have gathered here in washington for a summit to mark 75 years the alliance it's also an opportunity for president biden to try and show the world and voters here in the united states that he has what it takes to be commander-in-chief and run for reelection the president says he's not dropping out