Its my understanding. the Mopar Nats staff is waiting to decide if or how to proceed once a decision on IF the Carlisle show will go on as planned .

There has already been several large shows around the country either canceled or delayed by months

I have no interest in the Carlisle show, But the Wife and I just bought flights back for the Nats in Aug.
if it doesn't happen I'll just get more time to visit with family and friends