"We have come together at critical times times and made the sacrifices necessary to preserve our liberty. So a campaign based on attacks, a campaign based on demonizing one another, that's not going to be successful. This country is going to be successful by pulling together, by recognizing that we have some common challenges and working together to overcome those things," Mitt Romney said on "Hannity" tonight. "The President's a nice guy, but we just can't afford him for four more years. Our kids can't afford him. We have to get back to machine who know what is it takes...