Americans for Prosperity launches six-state, $3M Senate ad buy

The conservative outside group Americans for Prosperity has launched a $3 million ad campaign against Democratic Senate candidates in six states, the group's spokesman told The Hill.

The targets: Sens. Claire McCaskill (D-Mo.), Bill Nelson (D-Fla.) and Jon Tester (D-Mont.), Reps. Shelley Berkley (D-Nev.) and Tammy Baldwin (D-Wis.) and former Virginia Gov. Tim Kaine (D).