New York Times: California is cruising toward its 2020 goal for increasing renewable energy and is setting far more ambitious targets for the future. Its large-scale solar arrays produced more energy in 2014 than those in all other states combined. Half the nations solar home rooftops are in the state, and thousands more are added each week. With its progressive politics, high-tech bent and abundant sunshine, California is fast ramping up its production of clean electricity, setting an example its leaders hope...