 uh vary depending on uh what format he's in and what forum and uh you know we expect that he'll do what he did at the state of the union he had a lot of energy that night so that's the joe biden i expect to see that the question is can he stay for 90 minutes on that stage and go toe-to-toe with with president trump who as you know goes to rallies and talks for two hours on end without any break and any notes so it'll be a very interesting thing to see