NHPR's Casey McDermott hosts the Weekly New Hampshire News Roundup. New Hampshire was hit with a lawsuit over its new limits on chemicals in drinking water on the same day the new regulation took effect. In a rare reversal, the state Attorney General's office says a Claremont fatal police shooting is no longer considered legally justified. Syringe services were long ago adopted in some parts of the country as a useful public health tool. Why, in a state hit hard by the opioid crisis, has New