Rep. Tammy Baldwin, D-Wis., will finally find out who her fall opponent for the U.S. Senate is on Tuesday, as former GOP Gov. Tommy Thompson tries to fend off three challengers led by businessman Eric Hovde, who has spent millions on the race, former Rep. Marc Neumann, who has been boosted by a surge of late ad spending, and state Assembly speaker Jeff Fitzgerald.
In Connecticut, failed 2010 Republican candidate Linda McMahon has the inside track at getting the nomination again, despite a challenge from former Rep. Chris Shays. Shays never raised enough money to compete with McMahon's millions.
Among the Democrats, Rep. Chris Murphy is the frontrunner for the nomination, over former Secretary of State Susan Bysiewicz, and he'll go into the general election favored, as well.