Original: The domestic political equation changed in the U.S. after the September 11, 2001 attacks; in his January 2002 state of the union address to Congress, President George W. Bush spoke of an "axis of evil" consisting of Iran, North Korea, and Iraq.
Simplified: In his January 2002 state-of-the-union message to Congress, George W. Bush (the son of George H.W. Bush) spoke of an "axis of evil" comprising Iran, North Korea, and Iraq.