The human heart longs to be part of a God-sized cause, and radical movements like ISIS tap into those innate desires to lure and recruit.

Pastors are not merely teachers or lecturers. They are shepherds to needy sheep. Burk Parsons describes the kind of sermons a shepherd should give.

Russell Moore guides believers as they respond to both false shepherds and other sheep on contentious topics like so-called same-sex marriage.