Tongue-lash, arm-twist and back-stab, sure, but no other California lawmaker has done this decade what Assemblyman Juan Arambula did last year – dump his own party. Arambula left the Democratic Party to become the state's first legislator not aligned with a major party since Audie Bock in 2000. His June 2009 defection has resounded far beyond his Central Valley district, echoing Field Poll findings that fewer than two of every 10 voters approve of the Legislature's performance. Explaining his decision, Arambula raises the same allegations of legislative game-playing and special-interest influence that critics have leveled for years. "You have to...