 For NPR News in the Twin Cities, I'm Elena See. Democratic Senator Amy Klobuchar says she's supporting Vice President Kamala Harris to be the party's presidential nominee. In an interview with NPR News, Klobuchar says she became friends with Harris when they both ran for president four years ago. Since that time, Klobuchar says, the former California senator has gained lots of on-the-job experience as vice president. She has been...