We're revisiting some of Nat Cardona's most-watched videos this year in this "5 to Know" encore: Meet the entrepreneurial 21-year-old college kid who made bank on reselling doughnuts this year.
On today's 5 To Know: Meet the entrepreneurial 21-year-old college kid who made bank on reselling doughnuts, McDonald's CEO is out, and Popeye's chicken sandwich is back. Krispy Kreme relented after a backlash to allow doughtnut resales.
In the end, the company relented. See the update here.

