We wore shorts to the office. Our boss didn't.

BI This post originally appeared in the BI Today newsletter. You can sign up for Business Insider's daily newsletter here. Free the knee Shorts at the office. Appropriate or not? It's a heated and long-running debate across much of corporate America, one that Instagram boss Adam Mosseri recently planted his flag in. He said he was "pro" shorts in the workplace, with caveats. "Not all shorts are created equal," he said. Somewhat dangerously, he added that not everyone can "pull them off." We…