Several candidates will debate this week in their final messaging to voters, as control of the Senate hangs in the balance. In Pennsylvania tonight, Sen. Bob Casey, the incumbent Democrat, will face off against Republican Dave McCormick.

Republican Ted Cruz and Democrat Colin Allred are preparing to square off for the only debate in the Texas Senate race this year

The Texas Senate race remains close just a week out from early voting, with U.S. Sen. Ted Cruz up 4 percentage points over U.S. Rep. Colin Allred, according to a new statewide poll. The Hobby School of Public Affairs at the University of Houston survey found nearly enough voters remained undecided to make up the 51-46 difference in the Senate race,