On a sunny October afternoon, Republican Sen. Ted Cruz posed for photos with supporters next to his campaign bus in downtown Waxahachie – a historic square complete with quaint shops and a storied, almost mythical-looking courthouse.

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

Tuesday night, Senator Ted Cruz and Congressman Colin Allred will face each other in the only statewide debate for the U.S. Senate. Both sides are campaigning like an upset is possible.