text:  The Democrat Party establishment panicking about the election following President Biden's shaky debate performance last night. White House correspondent Greg Cluxton reports from Atlanta. Throughout this election campaign, the 81-year-old president has faced consistent questions about whether he's too old for another four years on the job. On the debate stage here in Atlanta, Mr. Biden's performance was marked by repeated stumbles and awkward moments of silence. Afterwards, there was a heightened level of concern about his fitness for office.