AP: What now for the Gulf? News of another oil rig fire in the Gulf of Mexico, so soon after the BP oil spill, has set off a wave of anxiety along the Gulf Coast and prompted calls for the government to extend its six-month ban on deepwater drilling. Just when it seemed the Obama administration might be ready to lift the unpopular ban, the fire raises new questions about the dangers of offshore drilling, leaving the industry wondering when it can get back to work. “Anything …