 But I think it's going to be in part about how the two behave, how they conduct themselves, how they come off to voters. For President Joe Biden, a lot of that is about showing to voters that he's still of an age where he can do the job, that he's not too old, that he has a good grasp of the issues. Democrats are hoping that he'll replicate his State of the Union performance, which did kind of assuage some of the concerns that Democrats had had about that with him.