As Gov. Arnold Schwarzenegger embarks from San Diego County on a campaign bus tour this morning, he will be greeted by good news in the form of a poll showing his re-election prospects brightening. A new statewide Field Poll shows that 45 percent of the likely voters in the Nov. 7 election would vote for the Republican incumbent and 37 percent for Democratic state Treasurer Phil Angelides. Three percent would vote for minor-party candidates and the remaining 15 percent were undecided. Although that does not represent a statistically significant change from May, when Schwarzenegger led Angelides 46 percent to 39...