Your argument is like a parent saying, "Oh, I have six kids and they're running all over the house and the yard. I can't keep track of them, and they mess up the kitchen so fast there's no way I can keep it clean".
You really want to give up so easily?
Here's how democracy wins in the Middle East. Afghanistan and Iraq become stable, and the people in neighboring countries start looking at the freedoms these people enjoy, and start to demand it for themselves.
Read the entire link below. Here is a snippet. It relates how people didn't appreciate how completely on-target Reagan was about how to force the USSR to dismantle its empire. Now, we have a similar situation: some people don't appreciate how Bush's strategy to bring democracy to the Middle East could finally stabilize the whole region, something that would otherwise be impossible.
Lastly, read this below. It explains how the introduction of democracy is already spreading the ideas about freedom to other countries. Bush's strategy is working:
"It's strange for me to say it, but this process of change has started because of the American invasion of Iraq," explains Jumblatt. "I was cynical about Iraq. But when I saw the Iraqi people voting three weeks ago, 8 million of them, it was the start of a new Arab world." Jumblatt says this spark of democratic revolt is spreading. "The Syrian people, the Egyptian people, all say that something is changing. The Berlin Wall has fallen. We can see it."
http://www.washingtonpost.com/ac2/wp-dyn/A45575-2005Feb22?language=printer