It sounded like a throwaway line. Toward the end of a four-hour Senate hearing on gun violence last week, Wayne LaPierre, the National Rifle Association’s executive vice president of over two decades, took a break from extolling the virtues of assault rifles and waded briefly into new territory: criminal justice reform. "We've supported prison building," LaPierre said. Then he hammered California for releasing tens of thousands of nonviolent offenders per a Supreme Court order—what he'd previously termed "the largest prison break in American history."But California's overflowing prisons, which the Supreme Court had deemed "cruel and unusual punishment"