 Biden said in his Oval Office address on Sunday that the country needed to, quote, lower the temperature. In the interview, he said he didn't engage in rhetoric like Trump's. Deepa Shivaram, NPR News. Republican presidential nominee Donald Trump, meanwhile, has made his decision on a vice presidential running mate. Trump choosing U.S. Senator J.D. Vance of Ohio to stand with him as he seeks to return to the Oval Office. NPR's Don Gagne is more on the president's pick. They're both known for being really combative.