The April 2010 Deepwater Horizon oil spill in the Gulf of Mexico was called catastrophic by many. President Barack Obama declared, “This oil spill is the worst environmental disaster America has ever faced.” The National Resource Defense Council said two years later, “A people wronged and a region scarred remains.”Five years later, what remains of this “worst environmental disaster” and “scarred” region?There were many projections, estimates and guesses — before and after the well was finally capped — about how many millions of barrels of crude spilled into the Gulf.