Boston - Some analysts and money managers here would pick Chevron Corp to beat CNOOC Ltd in the emerging race to acquire Unocal Corp, though they hope US politics won't be the deciding factor. CNOOC, China's biggest offshore oil company, has formally bid $18.5bn for Unocal. That's about $1.5bn higher than the proposal by Chevron, which in April announced a pact it had hoped to seal within the next several weeks. "I think Chevron's going to win because I think there will be some economic consequence to the regulatory hurdles that CNOOC has to do," money manager Mike Holland said....