In California politics, Silicon Valley executives used to be considered newbies, nerds or simply multimillionaires with too much time and money on their hands. No longer. Emboldened over the past decade by some success passing ballot propositions, a handful of the valley's most influential power brokers are once again aiming to use the initiative process to put their stamp on public policy in California. Two of the boldest electoral initiatives yet to emerge from valley interests will be on November's ballot: NetFlix founder Reed Hastings and Kleiner Perkins venture capitalist John Doerr are backing Proposition 88, an unprecedented statewide real...