Telegraph: Mr Obama seized ownership of what he called a “tremendous catastrophe,” after weeks of allowing Cabinet members take the public lead as the crippled BP PLC well spewed millions of gallons of crude oil into the Gulf from nearly a mile (1,500 meters) below the surface. “I take responsibility. It is my job to make sure that everything is done to shut this down,” Mr Obama declared at a White House news conference dominated by the spill on Thursday. Even at the lowest estimate — 18 …