The U.S. Senate, under the leadership of Sen. Majority Leader Harry Reid, D-Nev., embarks today on an exercise in magical thinking. Reid and his Democratic allies - including Sen. Ken Salazar, D-Colo. - will attempt to convince the American people that the U.S. Senate is about to adopt "comprehensive immigration reform" that is (pick your favorite adjective) tough, practical, sensible, realistic and humane. These words have been carefully chosen since last year when the Senate adopted a measure that was roundly rejected by the then much more conservative House. Salazar, presumably because he is one of the few Hispanic members...