The usual talking points: Americans refuse to do all these jobs blah blah, except of course in those states where illegals haven't invaded yet, a little point you and the open border crowd conveniently ignore.
Honesty is always the best policy bayourod. It's time for you to come out and admit you want the cheap labor to bust the unions and/or crash the wages. It's not like it's a secret.
The Rust Belt States? Detroit? About all they've got left are captive industries, and then only the parts of those remaining are the parts that can't outsource.
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"you want the cheap labor to bust the unions "
There's nothing wrong with cheap labor or busting unions.