WASHINGTON — The Supreme Court is weighing a California animal cruelty law that pork producers say could upend their industry and raise the cost of their products nationwide.But in arguments Tuesday, the justices seemed to have bigger concerns beyond bacon.Pork producers say California’s law requiring more space for breeding pigs will force the $26 billion-a-year industry to change its practices even though pork is produced almost entirely outside California. The question for the high court is whether the …