U.S. demands info on foreign travelers sexual orientation

What the hell is our government planning to do with this information? Or more importantly, how are the European government's obtaining information on someone's sexual orientation? Via WaPo:

The United States and the European Union have agreed to expand a security program that shares personal data about millions of U.S.-bound airline passengers a year, potentially including information about a person's race, ethnicity, religion and health.

Under the agreement, airlines flying from Europe to the United States are required to provide data related to these matters to U.S. authorities if it exists in their reservation systems. The deal allows Washington to retain and use it only "where the life of a data subject or of others could be imperiled or seriously impaired," such as in a counterterrorism investigation.

According to the deal, the information that can be used in such exceptional circumstances includes "racial or ethnic origin, political opinions, religious or philosophical beliefs, trade union membership" and data about an individual's health, traveling partners and sexual orientation.

What do my sexuality and political beliefs have anything to do with counterterrorism? You may want to go see Bill O'Reilly's website if you're looking for terrorists.