President Donald Trump has made the media rounds with his major line of attack against Democratic opponent Joe Biden: Biden is mentally unfit for the job.<br />After all, Trump can't attack Biden for being white. Or for being a male. Or for being in his seventies.<br />Nevertheless, CNN reports Trump's strategy may backfire when push comes to shove on the debate stage.<br />Having spent months attacking Biden as barely-there mentally, Trump has drastically lowered the expectations for him when it comes to debate performance.<br />Joe Biden has already shown himself to be a mediocre debater at best. But he can manage. And, he may be far, far better than President Trump.<br />That might explain while Trump's campaign staffers are now saying, 'Actually, Joe Biden is a very good debater.'