The immigration debate is mostly driven by the crisis of massive illegal immigration, which has been deliberately conflated with legal immigration by activists, to the extent that we're not even supposed to refer to them as "illegal aliens" any more...
83% of graduating seniors said they didn't have a job lined up as of April 2014, despite 72.7% reporting that they were actively looking for one. This is a jump from the 80% of graduating seniors who didn't have a job lined up at the same time last year.
...Over the weekend, a Harvard researcher finally cast a more critical eye on all the hoopla. The conclusion: While the great STEM shortage isn't wholly myth, it certainly has been mightily overhyped.