After delaying his swearing-in by a week, former gubernatorial candidate and San Francisco Mayor Gavin Newsom became California's 49th lieutenant governor Monday in a low-key ceremony in line with his new position's limited duties. Newsom told a few hundred people gathered in the state Senate chamber that he would focus on economic development and job creation while admitting that his contributions would more likely involve ideas rather than policy decisions. "I know my role as lieutenant governor is limited," Newsom said. "I understand the constitutional restrictions. I do. But I hope I can add some value in the debate and...