Rodney Frelinghuysen

The Keystone pipeline is one of those things that's sort of a political driver. And mostly, the Republicans use it to sort of embarrass the president and embarrass quite a few Democrats who feel that there's a potential for an environmental disaster.

In 1979, the Supreme Court ruled 5-3 in Smith v. Maryland that a few days' worth of phone records for a single individual were not protected by the Fourth Amendment. The NSA today, though, collects hundreds of millions of phone records from hundreds of millions of Americans without an individualized warrant.