An election preview double feature: In Missouri’s sprawling sixth district, U.S. Congressman Sam Graves has represented voters for more than two decades. He’s heavily favored to retain his seat this year–even as some critics say he’s lost touch with the district over the years. Plus, Missouri’s 1st Congressional District Democratic primary could determine what type of political leadership takes hold throughout the St. Louis region. St. Louis Public Radio’s Jason Rosenbaum breaks down the high-stakes race between Congresswoman Cori Bush and St. Louis County Prosecutor Wesley Bell.