our identity. it enlarges, on the contrary, your sense of self. our nation has lost a great patriot, and our military has lost one of its most ardent supporters. >> that's defense secretary james mattis remembering senator john mccain and his legacy just a couple of minutes ago at the pentagon. right after that, he was asked about north korea. mattis making his newest comments since the president suddenly called off secretary of state mike pompeo's trip to north korea last week. >> bottom line is, there was progress made. the whole world saw the progress when the two leaders sat down. we also knew very clearly, this was going to be a long and challenging effort, to negotiate this away. as you know, that war began in 1950 and has never ended. we're engaged in the process, and we stay with the diplomatically-led process. our job is to support the