It now appears the battle lines are drawn. Call it the Battle of Mariner East 2. Today, the company responded. They discounted many of the concerns and defended their plan - and Sunoco Logistics' record. I've said it before, and I will say it again here. This is the most important economic story in Delaware County - and maybe the entire region. It has a huge economic upside. But it also has sparked legitimate concerns. Don't look for this discussion to end anytime soon.