Bill Gates won't rest until there is not one single speck of natural biology left on Earth. 
Discussion
If this were Saddam everyone would shout "he's using WMDs!"
Yeh ok Bill. Go home you're drunk. And just made my CHICKENS so much more valuable.
Despite all claims of probability, humanity still refuses to wipe itself out.
Guess someone has to step in and make it happen.
Homesteading efforts intensify..
Grow your own food, folks!