Yahoo!: Will the Gulf oil spill finally lead to a more aggressive energy policy to wean America from oil — or to more far-reaching measures to reduce the risks of climate change? A bill that would do both has been stalled before Congress for months, as Republicans and even some Democrats claim it would raise energy costs and lead to lost jobs. But outrage over the black tendrils of oil spewing from BP’s broken well in the Gulf is creating new opportunities for the once moribund …