Why do I get the feeling this is more of a temporary time out more than a firing? He will be back down the line. I could also see him in the WWE.
There's no doubt in my mind that he will move onto the WWE now. His "retirement" was in question, but as a result of his second drug test fail, I see him moving on from MMA. There's also no doubt in my mind WWE wouldn't be hesitant to offer him a generous contract.
He better hope WWE wants him, or he will be back to peddling (bad) pizza on the mean streets of West Linn.
I think we're in the "wait for all of this to blow over" phase and we'll see Sonnen back with the UFC in some capacity before long. I don't see him wrestling (at least full-time). Their schedule is gruelling and Sonnen has already made millions.