Routes. it is not unusual for a mine to get more than one violation in a day. after all, it received 458 last year. but you can bet issues like this will come up in the just announced federal investigation into this disaster. meantime the obama administration has recently approved new environmental regulations that will change the way certain mining is done in west virginia and other parts of appalachian shah. the new rules are intended to cut pollution in our waters. critics argue the financial costs are way too high. molly henneberg with the news and new information from d.c. tonight. molly?...