The actions attributed to Abu Musab al-Zarqawi Tuesday should have afforded the liberals in our country an education as to what an atrocity really is. They also should have served as a chilling wake-up call. Zarqawi and his men beheaded an American hostage in Iraq by the name of Nicholas Berg. This ''hostage'' had family and friends who loved him back here in the United States. Berg went to Iraq to help rebuild that country. He wanted to make a difference for the Iraqi people. And from all accounts he was quite a guy. As a film of...