After three months of exercising in the John W. Berry Sports Center and the Leverone Field House this summer, students will return to the Lewinstein Athletic Center - including the Alumni Gym, locker rooms, pools and the Zimmerman Fitness Center - this fall. The center reopened at 5 a.m. this morning.Throughout the summer, the LAC underwent changes to its pipes and heating and cooling systems, all of which were designed to align the LAC with the…