Lisa Jackson, the outgoing administrator of the Environmental Protection Agency, visited Silicon Valley this week for a candid conversation about energy, innovation and her often stormy four-year tenure in Washington. The event, hosted by the Churchill Club at Microsoft’s Mountain View campus...

The Churchill Club and Microsoft made an interesting decision in choosing Reid Hoffman to interview Steve Ballmer tonight. Let me explain. Churchill is Silicon Valley's answer to the Commonwealth Club in San Francisco or the 92nd Street Y in...