text:  president who works on behalf of the American people and the former president who pretty much spends full time fighting for himself. We certainly know some of the issues that will come up. Abortion, immigration, inflation, Trump's role in the January 6th insurrection, and of course, Joe Biden's age. Trump has repeatedly raised questions about Biden's mental and physical abilities. That could be a key issue tonight. Steve Futterman at the presidential debate in Atlanta.