Last year at this time, Democratic Party loyalists saw Los Angeles Mayor Antonio Villaraigosa as the early favorite to succeed Gov. Arnold Schwarzenegger. Not any more. The collapse of Villaraigosa's effort to gain substantial control of Los Angeles public schools, followed by revelations of an extramarital affair, have opened the door to others -- most notably Atty. Gen. Jerry Brown. Beyond those setbacks and self-inflicted wounds, Villaraigosa faces timing problems that could severely complicate any attempt to become California's first Latino governor in more than a century. Because the 2010 governor's race follows closely behind the 2009 mayoral election, Villaraigosa...