BB&T Corp. has completed its $2.5 billion acquisition of Susquehanna Bancshares, making the Winston-Salem, N.C.-based company one of the Philadelphia region's 10 largest banks. But BB&T still has not shed much light on the future employment of hundreds of employees at Lititz, Pa,-based Susquehanna. One source said a large number of Susquehanna back-office personnel, largely in Lititz, received notices from BB&T saying that their position would be eliminated. But BB&T is working to see if some...