Five college students pitch a tent by their car one dark night, not realizing they've set up camp by a military runway. They awake from a deep sleep to the shaking of the earth and a roar like mountains falling--the sound of a military transport plane taking off right over their heads. Can you imagine the visceral terror of that moment? For author and biblical counselor Edward Welch, it was a glimpse of what the Israelites experienced in God's presence...