InsideClimate: The head of a powerful congressional committee visited Mayflower Sunday to get a look at the community where a pipeline burst March 29th spilling thousands of barrels of crude oil. As head of the House Transportation and Infrastructure Committee, Congressman Bill Shuster (R-Hollidaysburg) oversees the nation's pipeline system that includes the 20-inch Pegasus line that that flows through Central Arkansas. "We'll figure out what happened and make sure they make corrections so it doesn't happen again,"...