US Considering Requiring Visa's for all Brits?

The US government is looking at closing a "loophole" that allows us Brits (aka Terrorists) to enter America without a visa via the Visa Waiver Programme. The cause is all to do with the approximately 800,000 Pakistani Britons apparently - and the increase in terrorist activity on our shores involving those of Pakistani origin. They are considering requiring all visitors to have a Visa, or just those of Pakistani origin.
Source: New York Times
Source: New York Times