There's a state of emergency in Phillipsburg, New Jersey, after two sinkholes opened up. One of them swallowed a dump truck. Several homes in the Warren County town are in jeopardy. Sidewalks are apparently sagging in the area, with the problem being worse Wednesday than the day before. The town's state of emergency enables it to speed up assistance to try to get the situation under control as soon as possible. Geologists say areas with limestone bedrock, like Phillipsburg, are particularly pron