Very few Free Traders dispute jobs are being lost to other countries, they just claim new ones are being created here to replace them. The problem is many of those jobs are lower paying and we have a tremendous illegal immigration problem taking many of those new jobs and depressing wages. It's the combination of the two that may prove fatal for the GOP if not in 2006 then 2008.
The only thing that's changed today is that a lot of these workers that are fueling our prosperity are working in coal mines, sweatshops, and cotton fields somewhere in Asia.