This 'It's Always Sunny in Philadelphia' star is coming to Delaware to host a happy hour

It's been 14 years since a T-shirt from a legendary Newark bar made a cameo on an episode of "It's Always Sunny in Philadelphia": a blue Deer Park Tavern tee worn by Rob McElhenney's character, Mac. Later this month, one of the stars of the longest-running live-action American sitcom will come to the Newark bar to promote the release of a new whiskey backed by the show's three stars. But it won't be McElhenney at the Deer Park. Instead, it will be Glenn Howerton, who plays Dennis on the cable...