Reuters: California Governor Jerry Brown signed a package of bills on Tuesday to regulate California's stressed groundwater supplies amid a drought that is expected to cost the state $2.2 billion in lost crops, jobs and other damages, with no end in sight. The bills will allow the state to take over management of underground aquifers and water accessed via wells, and aim to tighten oversight of water at a time when groundwater levels are shrinking in the third year of a catastrophic drought. "We have to...