 From NPR and WBUR, I'm Celeste Headley in Washington, D.C. And I'm Deepa Fernandes in Alameda, California. It's Here and Now. Republican vice presidential pick J.D. Vance speaks at the party convention in Milwaukee tonight. He's been one of the GOP's most vocal critics of big tech, but he's also been a Silicon Valley venture capitalist who's bringing some big money donors to the Trump campaign.