San Diego - -- Assembly Speaker Fabian Núñez fidgeted with his BlackBerry as he sat in a leather seat in the back of a black Buick Park Avenue and zoomed south on Interstate 5. He checked voice mail, read e-mail and barked his ideas for fixing California's ailing health care system to his staff in Sacramento. --snip-- He was a novice politician who had just won his first election. He also was a divorcé struggling to reconcile with his ex-wife, who had been his college sweetheart. And he was recovering from personal bankruptcy. Five years later, he is living a...