Closing of the American border to keep terrorism out

Today it is much harder for a terrorist to enter the United States than it used to be, but according to Edward Alden, it's also much harder for everyone else.

Edward Alden is a senior fellow at the Council on Foreign Relations and the author of "The Closing of the American Border: Terrorism, Immigration and Security Since 9/11."

Alden was interviewed by New America Media editor Sandip Roy. Report at NAM site