There was a feeling during the years of George W. Bushs presidency that his gracelessness as well as his appetite for war were linked to his impatience with complexity. He acted from the gut, and was economical with the truth until it disappeared.
The novelist loses, every time. Politics is insidious, the modern conduct of war (from shoulder-launched rockets to drone strikes) is insidious. Someone presses a button in California and twenty people are incinerated at a wedding in Pakistan. The killer is spared the sight of the corpses.
Our biggest art forms are film and television, and there hasn't been a great film about 9/11 yet, nor has there been a great television series. Something like The Wire gives us a rich and fully achieved picture of the wasteful, cruel War on Drugs; something like The White Ribbon gives a perspective on World War I that could only have been presented long after the event itself.