Gov. Arnold Schwarzenegger said Tuesday it's time for California to study whether to legalize and tax marijuana for recreational use, though he's not yet advocating for such a change. The governor was asked about a recent Field Poll showing that 56 percent of registered voters support legalizing and taxing marijuana to raise revenues for cash-strapped California. Assemblyman Tom Ammiano, D-San Francisco, has proposed legislation that would legalize the drug for recreational use, rather than just medical purposes. "Well, I think it's not time for that, but I think it's time for a debate," Schwarzenegger said. "I think all of those...