Former special counsel Robert Mueller is testifying before the House Judiciary and Intelligence Committees on Wednesday. House members asked for Mueller to confirm details from his two-volume report, but Democrats and Republicans took very different approaches in their questioning. We get the latest. Also, Oscar-winning composer Andre Previn's last piece featured a dream team of collaborators, including playwright Tom Stoppard and soprano Renee Fleming. But the commission was unfinished when Previn died earlier this year. WBUR's Andrea Shea looks at how Previn's last composition made it from the page ...