"...the Constitution not only guarantees an individual right to bear arms, but also enshrines the freedom of speech and the freedom of the press..." -When Discussing the Second Amendment, Keep the First in Mind Too, by Jay Carney.
Members of the President's Cabinet must understand the U.S. Constitution. Press Secretary Jay Carney showed in his official response to the petition asking Piers Morgan, that he doesn't know that the Bill of Rights doesn't apply to non-U.S. citizens.
Piers Morgan is a British citizen.