When helicopters carrying some 50 U.S. commandos thumped onto the ground in Syria an hour after midnight, the raiders confronted a houseful of extremists and children.
Baby comforts were inside — a stuffed bunny, a blue plastic swing, a crib. So was the paraphernalia of violence — such as the bomb Abu Ibrahim al-Hashimi al-Qurayshi is said by U.S. officials to have used to blow up himself, his family and perhaps others in his immediate proximity.
It was an audacious raid in an extremist stronghold of northwest Syria, months in…