Since Bush wants to get back to space with a new lunar mission and an eventual trip to Mars, are we ready to send men again? I mean, is it worth it? That's the argument we've been hearing from doubters. I believe the quest for knowledge is well worth it. But I don't believe we should be sending flesh and blood to those far flung places. The overhead to support humans in space is just too much. Instead, I think NASA and JPL should invest in artificial intelligence. I'm talking about the next generation of robotics. I believe it is time that humans make a robot that can think for themselves and do the most dangerous missions. That should be the next step for space exploration. Can you just imagine the spin-off technologies that this can father? I know I know, there's the Orwellian aspect to worry about but I think humans are basically good and we will always be fighting the evil in us. And good eventually triumphs. Imagine, a robot 4 to 5 times stronger than a human. With sight sensors that would make Superman jealous employed for battlefield use to augment infantry on the ground, for deep sea exploration, helping in mining operations or the most dangerous industrial work. All we have to do is maintain them. If we lose one, oh well, build another one.