who was it that said immigrants dont take jobs from American citizens?

Report Finds Employment Gains Made in Florida Go to Legal And Illegal Immigrants

Florida ranked second in the nation in employment growth among 16 to 65 year olds since the first quarter of 2000, CIS says, but still ranks 34th nationwide in labor-force participation of its native-born population in the same age range.

http://www.nationalreview.com/corner/385317/report-finds-employment-gains-made-florida-go-legal-and-illegal-immigrants-ryan