Like I’ve said in the past, after every action-packed hour of “Pretty Little Liars” comes an episode with the sole purpose of setting up next week's action-packed hour. And despite a solid run of nail-biters since season one returned on January 3, last night’s episode, true to form, was just plain slow. Until the end, … Continue reading 'Pretty Little Liars': 'Careful What U Wish 4'