 I'm Peter Sagal. The Surgeon General has recommended putting a warning label on social media, a picture of yourself hunched over in the toilet scrolling Snapchat. Join us at your own risk for this week's news quiz from NPR. Saturday and Sunday morning at 10 on KUAR Little Rock Public Radio. Last night's presidential debate was defined by former President Trump repeatedly spewing falsehoods as President Biden was at times incoherent. We take a deeper look at their performance this hour on Morning Edition from NPR News.