Anybody who says this is all the fault of Obama, or of Bush before him, or of any specific politician or political party, is being either short-sighted or dishonest. Times change. Low-cost overseas labor and recession took away lots of jobs, and you can blame this or that policy if you like, but automation might just kill them off for good -- regardless of who's in the White House. And not just manual-labor jobs, either.
If you have 15 minutes, watch this brand-new, mind-blowing video called "Humans Need Not Apply," about how computers and robots might eventually make up to 70 percent of jobs obsolete: youtu.be
Political affiliation won't matter when work is unattainable. Maybe at some point society will reorder itself and will recognize that we don't even need to have jobs, as long as we have a means of gathering food. But in the interim, be prepared for lots of unrest.