"If we end up with that gridlock I would say, 'If you can, Mitch, go nuclear.' Because that would would be an absolute shame if a man of this quality was put up to that neglect. I would say it's up to Mitch, but I would say, 'Go for it'."

President Trump to Mitch McConnell: “Go nuclear" if SCOTUS pick doesn't clear 60 votes https://t.co/uYLDrtBh3k https://t.co/IOlYQ4XMyW — CNN (@CNN) February 1, 2017

Why this kind of matters: Changing the Senate rules to approve a Supreme Court pick with just a majority (the so-called "nuclear option") is up to Mitch McConnell, who is not a fan of upending Senate traditions. Here is the Axios Facts Matter on the "nuclear option."