Q: Who Controls Gas Prices?
A: It's publicly traded on a Global Market, So if you have a problem with Gas Prices, take it up with the people who keep trading it at higher prices.
Q: Who has the power over war?
A: Contrary to popular belief, The President does not have the power to declare war, that is on Congress. Got a problem with the wars? Take it up with congress.
Q: Who controls who goes on welfare?
A: This is the realm of the business owners. They've continued to lay people off, even though for the last 2 years it has gotten better. Fact is that this is something squarely on the shoulders of every business owner in America.
Q: Why did Obama report inaccurate unemployment numbers?
A: He hasn't failed to report anything accurately. Contrary to Romney's smear campaign on this matter, Obama's numbers were dead accurate. Romney's numbers on the other hand took into account those who were physically and mentally disabled and therefore unable to work, and much more.
You should get your facts straight instead of listening to what other people say. A good site to do this from would be http://www.factchecker.org. This just address's the few issues you brought up here, but please don't start hating on someone if your not going to bother checking things yourself first.