New York Times: Overwhelmingly, Americans think the nation needs a fundamental overhaul of its energy policies, and most expect alternative forms to replace oil as a major source within 25 years. Yet a majority are unwilling to pay higher gasoline prices to help develop new fuel sources. The poll, which examines the public’s reaction to the oil leak in the Gulf of Mexico, highlights some of the complex political challenges the Obama administration faces. For instance, despite intense news coverage …