ANN ARBOR, Mich. — Michigan coach Jim Harbaugh called Penn State coach James Franklin “the ringleader” of a halftime discord between the teams in the Michigan Stadium tunnel less than a week after Franklin described the tunnel as a “problem.” At least two videos surfaced from the Michigan-Penn State halftime incident on Oct. 15 and it’s clear there was a lot of yelling. In one video, Franklin was visibly becoming irate with security as both teams tried to separate toward their locker rooms on opposite sides. Michigan was leading 16-14 at that point and went on to win the game, 41-17, to improv…