If Obama wins all the things you care so passionately about will be legislated. As Roe V Wade should of taught you once a thing become law repealing it gets geometrically harder.
If Obama wins the courts will be so packed with Judicial Radicals anything conservatives did manage to legislate will simply be undone by judicial fiat.
If Obama wins we will be so far over the fiscal cliff there will be no climbing back in 2014 or 2016 Romney is your last shot to reverse this. He at least sees the chart below as a problem. Obama THINKS WE HAVE NOT SPENT ENOUGH.
FY 2007 was last Bush/GOP Congress. FY 2011 was last Obama/Dem Congress.