3 Days That Could Swing the Presidential Election

``... recent polls show the race has tightened, with Obama at best holding a modest lead. A new Gallup Daily tracking poll actually has Romney ahead of Obama, 49 percent to 45 percent, among middle-income voters and upper income Americans. And the key events -- including one that takes place today in Wisconsin -- have changed the complexion and dynamic of the campaign, leaving Obama more vulnerable to defeat.''