"The new bill, the Intellectual Property Attache Act, will create a class of political officers who will see to it that all US trade negotiations and discussions advance SOPA-like provisions in foreign law. And as we've seen with other trade deals, one way to get unpopular measures into US law is to impose them on other countries, then agree to "harmonize" at home."
Source: http://boingboing.net/2012/07/10/sopa-is-back-lamar-smith-tryi.html