...I have personally taken steps to address this issue internally
He wouldn't have written this if he didn't know who did it.
I agree that this means nothing. If I was head of this union and I had thousands of angry Republicans sending me e-mails, I would do the same thing. This doesn't mean that that Parlock didn't instigate the confrontation. Not that it's not scummy to pull the sign out of a 3-yr old's hands. Who is worse, the punk who did it or the Dad who put his child in harm or verbal abuse by seeking attention?