With goals two minutes apart early in the third period, Michigan pushed past No. 11 Penn State and onto a narrow 3-2 win over the visiting Nittany Lions. For the struggling Wolverines, the win was their third in three weeks, all three victories upsets over ranked Big Ten teams. “We’re playing with a little more desperation, a little more urgency, a little more reality,” said coach Red Berenson. “We don’t like our situation but we’re…