Norman Podhoretz is the editor emeritus of Commentary magazine and the author of numerous bestselling books, including Breaking Ranks, Making It, My Love Affair with America and, most recently, World War IV: The Long Struggle Against Islamofascism. On January 10, he talked with Jay Nordlinger, managing editor of The National Review, at the Y about why he considers the war against global terrorism as legitimate and necessary as the two World Wars. In the video clip above, Podhoretz posits why he thinks George W. Bush will be remembered as a great President, invoking both Truman and Napoleon as historical examples.