When previews for "United 93" were shown in New York City moviehouses, the crowd whined, "Too soon!" But "United 93" is not arriving in theaters too soon. If anything, it is arriving too late. It has been almost five years since the terrorist attacks of 9/11, and most Americans have fallen back to sleep. They've forgotten who our enemy is: extremist Islam. They've forgotten why the Patriot Act was enacted. They've forgotten why it was necessary to listen in on phone calls of Muslims in America to their friends overseas. They've forgotten why it is necessary that many Islamic charities...