SACRAMENTO (AP) - Angering environmentalists and consumer groups, Gov. Arnold Schwarzenegger sided Friday with his business allies and announced his support for Proposition 64 and his opposition to Proposition 72. Meanwhile, state Insurance Commissioner John Garamendi endorsed Proposition 72, calling it "an important step" toward providing health insurance for all Californians. Proposition 64 would limit use of the state's Unfair Competition Law to sue businesses for practices that would allegedly give them an unfair advantage over their competitors or defraud consumers. Supporters, which include a long list of major corporations, say it would prevent law firms from filing "shakedown lawsuits"...