NEW YORK (Reuters) – President Barack Obama on Wednesday accused Republicans of using their cost-cutting proposals to push a vision of a "shrunken America" as he sought to rally supporters on a re-election fundraising drive in New York. At a trio of events aimed at rekindling the enthusiasm of his 2008 presidential campaign, Obama touted his economic policies and budget plan and urged Republicans to engage in a "serious debate" on tackling the nation's debt and deficits. But even as he tried to reconnect with his party's base, he acknowledged that many Americans remained frustrated by tough economic conditions and...