Judy Woodruff:

As the Carolinas grapple with Florence's destructive forces, President Trump sparked a new political storm after questioning the number of Americans killed in the aftermath of Puerto Rico's storm last year.

And the general election for control of the House and Senate has officially begun, a perfect moment for the analysis of Shields and Brooks. That is syndicated comes Mark Shields and New York Times columnist David Brooks.

Hello to both of you.

Mark, I'm going to start with the Paul Manafort plea. He had said for months that he wasn't going to do this, but now he has. He's pled guilty. And he's cooperating with Robert Mueller. We — it's clear there's so much we don't know, but what does this mean for the president, potentially?