Think the immigration debate is mainly about giving amnesty to the 10 million illegals already here? Think again. Amnesty is a drop in the bucket. The real issue is the staggering increase in legal immigration hidden in the Comprehensive Immigration Reform Act, recently passed in the Senate. By a ratio of about 4-1, U.S. voters would prefer less immigration, not more. But the Senate bill would do just the opposite. The original bill would have allowed as many as 100 million people to legally immigrate to the United States over the next 20 years. We're talking about a seismic shift...