text:  On one side of the debate, some of the biggest names are fierce defenders of the president and his campaign for another four years in the White House. And on the other side of that debate, many Democrats are publicly or privately struggling with questions about the president's fitness for office and whether he is best positioned to beat Donald Trump. One of those people who is publicly calling on Biden now to step aside is the top Democrat on the Armed Services Committee, Washington Congressman Adam Smith. He joins us now. Congressman, welcome. Well, thank you for having me on.