Got fired, told I was going to be vested and now they want to rescind the offer

I was fired from a startup 6 weeks before my first year of vesting, (my guess is mainly because they are running out of funding and I was the most expensive employ) but I was told in the exit interview that they would make that day my vesting cliff, because I had worked very hard and deserved (their words not mine).

Two weeks later I get a call from the CEO telling me that they wont vest me. I have the exit interview recorded stating that they would vest me. Is there anything I can do?

I am in a state were its legal to record voice conversations: http://www.vegress.com/images/vegress/notification-map-550a.jpg

The two options that I am thinking about is to either lawyer up, or right a blog post so future employs know what kind of people they are dealing with, or both.

Thanks