Associated Press: House Republicans attacked a Democratic offshore drilling plan Friday for including a 50-mile coastal buffer that they said would leave untouched most of the 18 billion barrels of oil in waters now off-limits to energy companies. A Democratic drilling proposal expected to be taken up by the House next week would allow energy development access to waters 50 to 100 miles from shore along almost all of the country’s coastlines as long as a state agrees to drilling off its …