For that to be the case, I would have to think that the BOR had any say in her decision. However, that seems to be a leap that only you are willing to make.
As jdogg said, this wasn't a "no" vote to ISU joining the Big 10.
There have times the BoR has felt the need to get involved. Clearly they do not think so, which is why I posted.
Let me state again, my post is not about Sally Mason or U of Ia.