The voices calling for a halt to construction of the Mariner East 2 pipeline are growing. First it was Chester County Sen. Andy Dinniman, D-19, who spoke up after drilling disturbed several residents' wells in Chester County. You can get the latest update here. Meanwhile, on our editorial page today, we note that it is now up to Sunoco to take action to ease the growing concerns in the community. If they don't it might be time for legislators to force their hand.