AP Photo

Two months before election day, the U.S. economy is teetering. President Obama's approval ratings are anemic. Republican voters are pumped. The smart money is betting against Democratic incumbents.

With the political and economic landscape tilted so steeply against the Democrats, the biggest question is: How in the world could Republicans not win control of Congress?

But despite all its assets, the GOP still faces hurdles. It suffers a disadvantage in fundraising, a national organization in shambles, an inconsistent message, and bruises from a tumultuous primary season — all factors that could make the difference between winning and winning big.