There is no need to import even more foreign workers.  Plenty of unemployed US citizens are available for the right price. 

Employers need to be more flexible in hiring, instead of always expecting applicants to be 100% qualified the first day on the job.    

In the old days, employers would hire an applicant with respectable if somewhat unrelated qualifications -- and then train that new hire on the particulars of the job.  Now, training is taboo and the new hire must already know everything up front.