Just follow to Hear Again's post, he has answer your question, same goes with Jiro.
Remember, FDR introduced Social Security, it means part of democratic's views and Obama support to keep SS but need increase annually based on inflation.
For illegal immigrant, not true and check issue on his website.
Barack Obama and Joe Biden: The Change We Need | Immigration
For issue an driver license or any benefits to illegal immigrants are all up to state's decision, not federally.
Again, illegal immigrants are least concern for any issues, I'm not really care about them.