 Fox News. I'm Chris Foster. At their first debate of the campaign, President Biden and former President Trump both say the other is the worst. He's the worst president in the history of our country. 169 presidential scholars voted him the worst president in the history of the United States of America. They disagreed on abortion, the economy, immigration. After the debate hosted by CNN, the main talk is about how weak President Biden sounded. Fox's Brooks Singman.