When the world is crumbling under your feet, Jesus is the firm foundation you can always count on,” said Diane Lambuth, winner of the Alabama Youth Speakers Tournament. Lambuth spoke during Discipleship and Family Week, which was held July 5 at Ridgecrest (N.C.), a LifeWay Conference Center. Lambuth, 15, is a member of First Baptist Church, Flomaton. “Being Certain in…