Why Biden is underperforming Democratic Senate candidates

The latest poll in Arizona from CBS News, conducted by YouGov, offers good news and bad news for Democrats. The party’s likely candidate for the U.S. Senate seat being vacated by Sen. Kyrsten Sinema (I-Ariz.), Rep. Ruben Gallego (D-Ariz.), leads the likely Republican nominee, Kari Lake, by a robust margin. But then there’s the bad news: President Biden also trails Donald Trump in the state.