Throughout American history, citizens have been duped. It’s a word as old as the republic itself. George Washington, in his “Farewell Address,” warned about “dupes”—that is, those who, unwittingly, allow themselves to be deceived or misled by active adversaries of the United States.

A few years ago, I wrote a book on the faith of Hillary Clinton. Released in 2007, the book flopped, dismissed by conservatives who didn’t believe Hillary believed in God and liberals who didn’t care that Hillary believed in God.

For a long time in America, the Religious Left, Catholics and Protestants alike, have been duped, played like fiddles. It happened again at Notre Dame yesterday.

It has become a truism in liberal circles that Ronald Reagan brought us Osama bin Laden and the Taliban. The accusation could already be heard mere weeks after 9/11. Articles developing the "blowback" thesis metastasized around the Internet. Given the staying power of ideologically convenient…