Ask not what the government can do for Silicon Valley; ask what Silicon Valley can do for the government. Thats President Obamas tack, anyway. He presented WIRED with six challenges he feels the tech industry needs to addressjust a few earthshaking problems the country could use some help with, thats all. We reached out to six of the biggest names in the WIRED world, and we gave each of them a challenge from the presidents list. Then we asked: To get this done, whats the industrys best play?