ARLINGTON, Va. — Trustees of the John Leland Center for Theological Studies have named Mark Olson, former pastor of Snyder Memorial Baptist Church, Fayetteville, N.C., as the second president of the Arlington, Va., school. The decision was announced June 14. Olson, who was unanimously elected, will replace Randall Everett at the only accredited Baptist seminary near the nation’s capital. He…