Sunday shows preview: Shadow of debate struggle hangs over Biden

The rising concerns over President Biden's poor debate performance is likely to be a focus of this week's Sunday news shows.

Biden stumbled over his words and had a raspy voice, sparked widespread fears on both sides of the aisle and raised questions about whether he should stay at the top of the Democratic ticket. Even staunch Democratic figures expressed their worries about how the debate between the incumbent and former President Trump went — including those who worked alongside Biden when he was vice president.