Iranian president Mahmoud Ahmadinejad has repeatedly declared that "a world without America is not only desirable, it is achievable." While that sentiment won't be embraced in President Obama's inaugural address next week, all other things being equal, it seems likely to be the practical effect of his second term. Of course, Iran's regime seeks a world literally without America. More to the point, Ahmadinejad and the mullahs in Tehran are working tirelessly to secure the means by which to accomplish that goal. Specifically, they have or are developing the ability to engage in devastating electromagnetic pulse (EMP) attacks, biological warfare...