By the time Thursday night’s debate between Joe Biden and Donald Trump ended, one question was on everyone’s lips: will the president be persuaded to step down ahead of the Democratic convention? His weak and stumbling performance dramatically increased concerns about Biden’s age and stamina, as Donald Trump showed a discipline and focus that has not always been on display   On this episode of the Free Expression podcast, Karl Rove tells Gerry Baker Biden’s was the worst presidential debate performance he has ever seen, and he says there is no way back for him to win if he remains the party’s candidate. Rove says he therefore expects the president now to step aside and he assesses the likely field of Democratic presidential contenders.   Learn more about your ad choices. Visit megaphone.fm/adchoices