Fiester doesn't have to worry about those tirades anymore, but she hears lots of similar stories in her current role as operations manager at the Society for Human Resource Management, where she often fields questions about the growing issue of workplace bullying.

WSJ: Growing push to halt workplace bullying

"Typically, organizations let this be a cultural thing and not a policy thing, " says Eric Peterson, manager for diversity and inclusion at the Society for Human Resource Management.

WSJ: At Work, Keep Your Political Views to Yourself