consulting business unit hilco health and by the alice kleberg reynolds foundation and viewers like you. thank you. >> i'm evan smith, he's the coolest astrophysicist in the universe, the director director of hayden planetarium. dr. neil degrasse tyson, this is overheard. >> actually, there are not two sides to every issue. >> i guess you can't fire him now. >> i guess we can't fire him now. might win an emmy. >> being on the supreme court was an improbable dream. it's hard work and controversial. >> window rolls down and this guy says, hey, he goes until 11:00. [laughter]. >> dr. tyson, welcome. >> thanks. my first time. >> it's wonderful to have you here, the coolest guy in the