Gov. Arnold Schwarzenegger offered his most lavish praise yet Wednesday for any 2008 presidential candidate, calling John McCain a "great senator" and "very good friend" who shared his views on critical issues like the environment. The celebrity governor stopped short of a formal declaration of support for McCain's budding candidacy, but their appearance together in the Port of Los Angeles was a strong reminder that the two maverick Republicans share a well-developed friendship. The Arizona senator joked that he was endorsed by Schwarzenegger. Then Schwarzenegger said their joint appearance wasn't about politics. "We share common philosophy and goals for this...