The results in Pennsylvania’s Senate race could determine if Democrats keep control of the chamber or not, which is why last night’s debate between Democrat John Fetterman and Republican Mehmet Oz was so critical. CNN Political Director David Chalian highlights key moments from last night’s debate and analyzes if they’ll make a difference with voters. Another key Senate race is in Arizona, where GOP candidate Blake Masters got some feedback from former President Donald Trump about a debate answer he gave earlier this month.To learn more about how CNN protects listener privacy, visit cnn.com/privacy