SACRAMENTO — As protesters took to the streets of Los Angeles in record-setting numbers in recent days, the highest-ranking immigrant in California, Gov. Arnold Schwarzenegger, was asked what should be done about the millions of people living in California illegally. "I'll let the geniuses in Washington figure all that out," he replied. Though the answer may have sounded flip, he later offered detailed comments about illegal immigration. But the moment spoke to the pressure Schwarzenegger and the two main Democratic candidates for governor suddenly face to take a stand as federal lawmakers tackle immigration policy. Until the protests, the three...