Biden heads into a make-or-break stretch for his imperiled presidential campaign

President Joe Biden is opening a critical stretch in his effort to salvage his imperiled reelection campaign. He says in a radio interview that aired Thursday that the stakes in the election against Donald Trump extend far beyond Biden's own political prospects and go to the future of the country’s economy and democracy itself. There's a growing sense that Biden may have just days to make a persuasive case that he’s fit for office before Democratic support for him completely evaporates in the aftermath of his disastrous debate performance last week against Trump. Discussions that were once a whisper around who should step into his place if he bows out of the race are growing louder.