We look at how the war on Iran might affect the upcoming midterm elections, as well as how a portion of President Trump's MAGA base sees U.S. involvement in another war in the Middle East.

And we turn now to NPR senior contributor Ron Elving. Ron, thanks so much for being with us. RON ELVING, BYLINE: Good to be with you, Scott. SIMON: President Trump, of course, addressed the nation ...