New York Times: In most of California, the arguments over Proposition 23, which would suspend the state’s landmark global-warming law, are dominated by theoretical claims about the measure’s potential effect on jobs and the environment. For Benicia residents, Proposition 23 is personal. The town is home to the Valero Benicia petroleum refinery, one of the largest emitters of greenhouse gases in the state. Valero, based in Texas, is a key sponsor of Proposition 23 and has contributed more than …