Governor Pawlenty says the blizzard of criticism he's receiving about changes to state snowplowing policy is misguided. On his weekly radio show today (Fri), Pawlenty defended MnDOT's plowing after this week's heavy snowstorm. MnDOT officials say they've made some changes in the snowplow schedule to save money on overtime pay, but the agency's snowplowing goals haven't changed. Some DFL lawmakers say commuters are angry, and the issue is a political problem for the governor. Minnesota Public Radio's Laura McCallum reports...