Biowar for Dummies

I'm a big fan of DIY biotech stories: DNA preps using you kitchen blender, buying used DNA sequences of ebay etc. tech writer Paul Boutin has gone one step further and asked the question: How hard is it to build your own weapon of mass destruction?. For example:

Brent guesses he would need a couple million dollars to whip up a batch of smallpox from scratch. No need for state sponsors or stolen top-secret germ samples. “An advanced grad student could do it,