John Doerr: How Obama can kick start 'green' innovation

Kleiner Perkins VC John Doerr discusses his views on clean tech at the Web 2.0 Summit in San Francisco. "The most important thing" that President-elect Barack Obama needs to do, he says, is "kick-start a huge amount of innovation and research in energy." He adds, "It's the challenge for the generation, it's the scourge of the economy."