At this hour, a president on the picket line. Joe bidens unprecedented show of support for labor ahead of Donald Trumps visit to michigan tomorrow. The major blow to senator bob menendez. Long time friend and senator, cory booker, now among a growing group of democrats calling on him to resign. Plus, the stage is set for the next republican debate. Who made the cut . And the new poll showing momentum for one candidate in a key, early battleground state. And crisis at the border. Nbc news cameras are rolling as hundreds of migrants, including children, Cross The Rio Grande into texas. First, to michigan. Gabe gutierrez is at the nearby plant. Gabe, the uaw president called this an historic moment. Tell us more about it. Hi there, chris. Yes. The president sean feign calling it an historic moment and Standing Shoulder to shoulder with President Biden who seemed somewhat removed. That changed today. President biden using literally a president ial bull horn to give his full throated suppor