What Actors Can Learn From the ‘Always Sunny’ Season 13 Finale

After 13 seasons, you gotta mix it up a little, right? That certainly was the intent for the creative minds behind “It’s Always Sunny in Philadelphia,” which wrapped its 13th (!) season this week with a finale that was anything but what fans of the raucous comedy have come to expect. The episode culminates with Mac, played by series creator Rob McElhenney, (spoiler alert!) coming out to his imprisoned father entirely through an elaborate two-person dance routine. And yes, McElhenney did...