Associated Press: It is a job that requires the expertise of a rocket scientist and the precision of a surgeon. Engineers are racing to stem the disastrous oil leak a mile beneath the Gulf of Mexico, relying on a series of highly technical — and in some cases unprecedented — maneuvers. They have deployed an armada of remote-controlled submarine robots that are essentially turning wrenches to try to repair malfunctioning equipment and cap the leak while spraying chemicals from a wand into the …