Gov. Jerry Brown waits for the start of a news conference to announce plans to build a giant twin tunnel system to move water from the Sacramento-San Joaquin River Delta to farmland and cities. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Jerry Brown (left) is sworn in as the 39th governor of California by California Chief Justice Tani CAntil-Sakauye (right) as Brown's wife, Anne Gust-Brown, looks on. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images