please welcome astronaut bon donnie barnett. donnie. thanks for being here, donnie. please, have a seat. ( cheers and applause ) thanks for taking the time to be >> hold on one second. ( laughter ). >> stephen: all right, yeah, that's nice. that's a nice tool you have there. >> thank you for having me, stephen. i'm just glad i was able to wake up. ( laughter ). >> stephen: it's almost midnight, donnie. >> yeah, not on mars, kemosabe. >> stephen: you say you're one of nasa's top picks to go to mars. why you, donnie? >> well, i've been training hard, stephen. i've been training ever since i got fired at the food truck. they should have put that sign that says, "wash your hands," where people could see it! >> stephen: so, donnie, is the training hard for the mission? >> i'm not going to lie, stephen. i mean, you gotta really want it. it's hard work. i wake up between 9:00 and 11 p.m. i watch "bones," then i order a little hut-- meat lovers, obviously. then i pet the dog, invite the dog on to the couch, then fight the dog for the hut. ( laughter ) and them, before you kn