The stage is set for the 57th quadrennial United States Presidential Election.The polling will be started at 6.30 IST in the evening. The battle for the presidency has narrowed to 10 swing states, with Obama and Romney engaging in last ditch efforts to break into each others' vote banks and latest opinion polls indicating that the race for the world's most powerful job is tied. Taking to AIR, PTI correspondent in Washington, Lalit Jha said that public enthusiasm is overwhelming except Sandy storm hit areas.