this is the colbert treadmill. it is the combined operational load bearing external resistance treadmill. okay. did you ever use my treadmill when you were up there. >> no, a year ago i think i may have broken it. >> stephen: seriously. >> maybe. no i don't know. i think it's probably been fixed. >> stephen: sure, sure, i'm sure the mouse is fine too. well, mark kelly, thank you so much for joining me. the book is mousetronaut. give your kid something to shoot for. we'll be right back. >> stephen: welcome back, everybody. nation, before we go i am proud to announce the latest edition to the cold better report family, beatrice helen, born to my writer mike and his wife camille on monday. remember, mike, since this is your second child, you get half as much patent leave. because you already know how to be a father. third through 7th kids must be delivered at the office, check your contract. and what did he do during his first day with his precious new daughter? he texted me a pitch, quote great article in times on pag

. >> colbert: i do too, i got -- i got a treadmill on the space station named after me. you have one of those? >> no, no. i haven't done that yet. >> colbert: i went in -- >> go ahead. >> colbert: thanks so much. now, you are on the forbes like celebrity power list, number 20, because you are a writer, a director, an actor, a producer, a playwright. it sounds like you haven't found your thing yet. what is next? spot welding? why so many things? >> i am just trained myself early on, i didn't have much money so i learned how to do all the jobs myself and i don't know how to let goyette. >> colbert: really? but where do you find the time for the writer, director, playwright and author, right? >> yes. >> colbert: probably most famous for playing medea. thank you for playing that role, there are far too many good roles for old black women. elderly african-american actresses have it too easy. by the way, who employs more african-american actors? you or everyone else in hollywood? >> i have got them beat, it is all me. >> colbert: really? >> it is all me. >> colbert: you have go