Bernie Sanders is vowing to press ahead with his presidential campaign at least long enough to debate Joe Biden this weekend, even while acknowledging his deficit in the Democratic race may be insurmountable.
The Vermont senator on Wednesday offered no further details on what his campaign may look like before or after he and Biden the last two major candidates vying for the Democratic presidential nomination spar Sunday night on stage in Arizona.
The only thing on Sanders' public schedule was taping an appearance on Wednesday's "Tonight Show Starring Jimmy Fallon."