Associated Press: President Barack Obama says the Gulf Coast oil spill is a reminder that the days of cheap and easy-to-get oil are numbered. In his Oval Office address Tuesday night, Obama said the tragedy unfolding in the Gulf should spark Congress to embrace a “clean energy” future that eases dependence on oil and other fossil fuels. Obama hailed a bill passed in the House last year to curb pollution blamed for global warming, but he stopped short of directly calling for the Senate to pass a …