Rush needs to provide evidence for this or stop saying it.
LOL! Yes NO American is willing to do masonry, nor roofing, nor framing, nor sheetrocking, nor any of those jobs that my unemployed friends are trying to do as startups - and with the added burden of obtaining a journeyman's certificate (a requirement which illegal mexican's, under Bush's ongoing amnesty (lookin' the other way) are waived.)
In 100 years there will be 99,412,046.