As Washington hunts al-Qaeda groups in the Middle East and Africa and concerns itself with Iran's eventual nuclear potential it has a much more pressing problem at home: Its energy grid is vulnerable to anyone with basic weapons and know-how. Forget about cyber warfare and highly organized terrorist attacks. A lack of basic physical security on the US power grid means that anyone with a gun -- like disgruntled Michigan Militia types for instance -- could do serious damage. For the past two months the US Federal Energy Regulatory Commission (FERC) has been tasked with creating a security strategy ...