On a special edition of the Politically Speaking Hour on St. Louis on the Air, STLPR's Jason Rosenbaum previews the upcoming August 4th Missouri primary with STLPR reporters Rachel Lippmann and Sarah Kellogg. The journotrio talk about the impact of Amendments 4 and 5 on state legislative elections; the St. Louis County executive contest; and the impact of a redistricting referendum on upcoming elections.