Yesterday, the Washington Post reported that chances of a nuclear or biological attack on a major city are now "better than even" according to a bipartisan congressional study. How will we avoid this catastrophe?

The United States should push for a global consensus banning states such as Iran and North Korea from adding to their stockpiles of enriched uranium and plutonium, while also ensuring supplies of commercial reactor fuel for countries that renounce nuclear weapons, the report says.

How many wars could have been avoided in this nation's history if Congress had only thought earlier of pushing for a "global consensus" to defeat emerging threats?