One court says yes, but it's complicated.

On the recent uproar involving a major, major employer and its recently-terminated employee:

No. 1. Is it a good idea to provide an "open forum" to employees if there are certain topics that are off limits? No. If you want to provide a forum for employees to speak up, but only "within reason," then it's a good idea to establish and communicate your limits in advance. That way, if ...

Not every obnoxious workplace behavior is unlawful harassment. To violate federal law, the harassment has to be unwelcome, based on a "protected category" (for example, sex or race), and "severe or pervasive."

But most employers aren't satisfied with banning only "illegal" behavior, and rightfully not. The law does a fairly good job of keeping us from each ...