The best line from the GOP conference so far belongs to Senator Lindsay Graham :

“The demographics race we’re losing badly,” said Sen. Lindsey O. Graham (S.C.). “We’re not generating enough angry white guys to stay in business for the long term.”
On Tuesday, convention organizers ejected two attendees after they reportedly threw peanuts at a black CNN camerawoman and told her, “This is how we feed animals.” Organizers called the conduct “inexcusable and unacceptable.”


As Republican convention emphasizes diversity, racial incidents intrude - The Washington Post




As far as whether the GOP can turn the economy round, Romney is planning a return to the exact-same Bush-era policies which caused the current economic disaster. And he's planning to turn Medicare into a voucher system where the voucher pays less and less of the cost of retirees' healthcare. He's saving the village by destroying it.