Sarah Palin, whose 2008 turn as John McCain's running mate presaged the Republican Party's evolution, is reentering the political arena with a bid to represent her home state of Alaska in the House of Representatives.And in the contentous race to serve as the Republican Senate candidate in Pennsylvania, TV personality Mehmet Oz secured Donald Trump's coveted endorsement against Dave McCormick, a fifth-generation resident of the state with a more othodox politcial resume. Will it matter to voters there?This episode: White House correspondent Asma Khalid, acting congressional correspondent Deirdre Walsh, national political correspondent Don Gonyea, and Alaska Public Media correspondent Liz Ruskin.Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.Find and support your local public radio station.