A frame grab of a video released on September 2, 2006 shows Al Qaeda's second-in-command Ayman al-Zawahri speaking. Al Qaeda called on U.S. President George W. Bush and non-Muslims especially in the United States to convert to Islam and abandon their 'misguided' ways or else suffer the consequences, according to the video posted on a Web site on Saturday. (Xinhua/Reuters Photo) Photo Gallery >>>