California is a population powerhouse that's home to 1 out of 8 American voters and a political ATM that pumps millions into presidential campaign coffers. But the state's solid-blue status and election rules make it "irrelevant" in the presidential sweepstakes every four years, state Assemblyman Jerry Hill says.Hill, a San Mateo Democrat, and Republican Assemblyman Brian Nestande of Palm Desert (Riverside County) want to change that. The legislators are part of a growing crowd of bipartisan backers of a nationwide campaign to elect presidents by popular vote. The drive has some powerhouse supporters, including Tom Golisano, the billionaire philanthropist and...