Reuters: U.S. government inspectors have completed checking out some 30 deepwater drilling rigs searching for oil in the Gulf of Mexico and found no safety problems that would require any rigs to temporarily cease operations, a government spokesman told Reuters on Monday. President Barack Obama ordered the inspections after a rig leased by BP exploded last month, killing 11 workers and causing a growing oil spill that threatens businesses and beaches along the Gulf Coast. "Throughout …