"Plus, in this recession, it would be hard to prove there is a lack of Americans willing or able to do your job." This isn't nearly the problem you suspect it

"Plus, in this recession, it would be hard to prove there is a lack of Americans willing or able to do your job." This isn't nearly the problem you suspect it to be. Just in my field (see my login name), there are many H1B holders occupying jobs that have been certified--by the employer, to the US government--as "unfillable" with a US citizen.