 Former President Biden back on the campaign trail in Las Vegas, where he's planning to speak to the NCAA convention today. He defended his record in an interview with NBC News. My mental acuity has been pretty damn good. I've gotten more done than any president has in a long, long time, in three and a half years. So I'm willing to be judged on that. Stifling heat is settling in in the Northeast. It could feel like 100 degrees in New York City today. In