If you ride a snowmobile in Minnesota, you're supposed to keep your speed under 50 miles an hour. But anyone who's been on a trail or a frozen lake can tell you many snowmobilers break that law, and most of them go unpunished. Nearly everyone agrees there'd be less speeding, and less drunk driving, if snowmobilers saw more officers on the trail. But there just aren't enough officers to go around. Minnesota Public Radio's Chris Julin has the second of our reports on snowmobile safety.