Steve Ballmer, CEO of Microsoft (MSFT) puts on his best poker face with this letter to the Yahoo! (YHOO) board of directors. Ballmer isn’t known all over the world as an innovator, but as a former lawyer and one of the architects of Microsoft’s monopolistic business tactics, I’m sure he can hold his own at the negotiation table. Of course, that hasn’t been the case lately with the outlandish premiums he paid for aQuantive and Facebook. So maybe he’ll back off of this hard stance:
Dear Members of the Board:
It has …