Alliant Energy's Free Energy Audit

Pennsylvania Lt. Gov. John Fetterman’s debate performance against his Republican challenger Mehmet Oz has intensified the focus on his recovery from a stroke. Some supporters worry the debate aftermath could have nationwide ramifications and his limitations could sway undecided voters. Fetterman and Oz are fighting for a seat that could decide the balance of power in the U.S. Senate. CNN Chief National Correspondent John King tells Anderson Cooper where in Pennsylvania he thinks the debate will have the biggest impact.

Plus, Republican Rep. Adam Kinzinger joins AC360 to discuss the number of 2020 election deniers who are running for offices throughout the country and how concerned he is about voter intimidation happening at ballot drop boxes in Arizona.

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