download the appSign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read previewDay in and day out, Republicans portray Joe Biden as a man who's too old and enfeebled to carry out the duties of the presidency. At 81, Biden is the oldest person to ever serve as president, and there's no denying that he shows it at times. But now, ahead of a high-stakes debate with Donald Trump on Thursday, some Republicans are adding a twist to that narrative: Biden may show up under the influence of drugs. The president has been in debate prep for days, and he's likely looking to snag a similar opportunity on Thursday.

---

Persons: —, Joe Biden, It's, Biden, Donald Trump, Ronny Jackson, Trump, There's, Eric Burlison of, enfeebled, He'll, Hillary Clinton, Jackson, Joe, Burlison, Robert Hur's Organizations: Service, Business, White, Texas Republican, Republicans, Rep, Trump, Democratic, State, Union Locations: Eric Burlison of Missouri, Philadelphia, State, Texas