I wouldn't totally rule out doing Letterman or the Tonight Show if I had a set that I just happened to write that I thought was funny but was still appropriate for network censors. But I'm not going to go out of my way.
Your body's really only meant to compete at the highest levels of combat...
The last person they expected to connect with a screenplay was the comedic...
I love sci-fi because it leads in the imagination and I always say it has the most intelligent fans in the world.
