Article Photos: No looking back: O'Brien focuses PSU on Indiana 2/2

  Penn State head coach Bill O'Brien makes the touchdown gesture as officials rule that Penn State's Matt Lehman fumbled the ball before entering Nebraska's end zone in the second half of an NCAA college football game in Lincoln, Neb., Saturday, Nov. 10, 2012. Nebraska won 32-23. (AP Photo/Nati Harnik)