By Andrew Holleran It’s safe to say that former ESPN host turned political pundit Keith Olbermann isn’t a fan of Washington Commanders assistant coach Jack Del Rio. Del Rio has been fined $100,000 for his “dust up” comments on the Jan. 6 insurrection. Del Rio downplayed the significance of the event, wondering why there wasn’t more criticism for the George Floyd killing riots. The NFL assistant coach has since been fined. He’s also deleted his Twitter account. Olbermann, who’s often very outspoken on Twitter, believes the NFL should ban the assistant coach. “Enough of these “it was a dust up” …