Their abusive/discriminatory language led to my firing

I live in North Carolina. About two weeks ago, I was on a video conference with the CEO and the President of the company. (They are known to be unstable and abusive.) They were both screaming and cursing, threatening people's jobs, and repeatedly using the word "retarded." The president screamed directly at me and I said, "You need to take some of that bass out of your voice when you talk to me."

So, he began yelling, "Get him out of here! Get him out of here!" I signed off the call and...

Their abusive/discriminatory language led to my firing