PHOTO (Duke Athletics): Jeremy Roach drives on Virginia Tech's Wabissa Bede. By TOM SHANAHAN Duke demonstrated it can overcome a double-digit first half deficit, rallying from 16 points down a week ago to beat Boston College at Cameron Indoor Stadium. But Boston College isn’t Virginia Tech. And the road in the ACC is different. Duke managed to close an 18-point first-half deficit to 11 by intermission and trailed by only one one point on Matthew Hurt’s three-pointer with…