Sonnen tests positive for PEDs at UFC 117. Most likely this means no rematch with Silva which is great. I didn't want to see another 5 rounds of Sonnen laying on Silva and becoming the champ (if he could avoid getting subbed yet again).
Now it will be more likely Belfort gets the title shot after he annihilates Okami, or they scratch the Okami fight and Belfort fights Silva.