Warning: This article contains spoilers.  “Guardians of the Galaxy Vol. 3” is not just the end of the road for Marvel’s favorite band of extraterrestrial misfits. It’s also James Gunn’s goodbye...

The “Hahnaissance” is just beginning — and Kathryn Hahn (Communication ’95) told Northwestern students she never expected her career to take off in the way it has over the past few months.  At...