I'd be bothered for sure but not let on. Meanwhile I'd take a glance at job boards just to see what is out there. I know employees emails can be viewed by personnel but given the tension you mentioned, I'd be either on extra klonopin or talking myself out of saying something I can't take back. (I'm paranoid too and wish I could just shrug it off but at the same time I want to be smart about the situation as it smells of poop).