Additional pre-tenure review requested I teach at a small liberal arts college in the midwest, and am two years through a four year tenure clock (I came in with two years of constructive credit).  After my recent pre-tenure review, the Personnel Committee, in their letter to the Dean, recommended an additional pre-tenure review next year.

My question is: is such an additional pre-tenure review likely to be a condition of my employment?  Can I just refuse, and take my chances at the actual tenure review in two years?

NB: I understand that you may think it unwise to refuse the advice of the committee which will then be reading my actual tenure file (with I assume largely the same members).  My question is about the legal matter.  Do they have the legal right to fire me if I refuse to do an additional pre-tenure review?
Normally an un-tenured faculty member in the US serves on a fixed term contract, usually a year, but maybe more. It isn't that they have to fire you. They just don't have to renew your contract. 

It is only after earning tenure that you have a continuing contract and need to be fired for cause. I strongly recommend that you get legal advice or go along