Gas can be controlled to an extent, not necessarily completely reversed but slowed/moderated.
As far as the unemployment being as bad as it is now, regardless of what Pres. term you throw out, another 4 years of this isn't going to get any better. I think its sorta obvious, I wouldn't say Romney is a picture perfect candidate, especially in foreign policy(not that Obama has worked miracles), but I'd like to think Romney's plan will long-term start producing more output.