text:  And focusing on the issues is really the Achilles heel of Joe Biden, which is why Joe Biden wants to talk about Donald Trump instead of himself. Right. Has the former president, has he lowered expectations for tonight? I mean, we've heard him bash the moderators a little bit. We've heard the claims that the president is on performance enhancers. Are these excuses going into the night to bring down whatever does go on in case it doesn't go well?