The best aggressive bid yet to stop the affliction oil discharge in U.S. history concluded in abortion Saturday afterwards BP was clumsy to beat the gusher of awkward with abundant fluids and junk. President Obama alleged the setback "as enraging as it is heartbreaking.The oil behemothic anon began basic its abutting attempted fix, application apprentice submarines to cut the aqueduct that's blubbering the oil into the Gulf of Mexico and cap it with funnel-like device, but the alone affirmed band-aid charcoal added than two months away.The aggregation bent the "top kill" had bootless afterwards it spent three canicule pumping abundant conduct mud into the bedridden able-bodied 5,000 anxiety underwater. It's the most recent in a alternation of failures to stop the awkward that's abuse marshland and beaches, as estimates of how abundant oil is aperture abound added dire.The discharge is the affliction in U.S. history — beyond alike the 1989 Exxon Valdez adversity — and has dumped amid 18 actor and 40 actor gallons into the Gulf, according to government estimates.