Then it will collapse into a pile of dust, because there is nothing else holding it up.
Now they are confronted with Osama, rich terrorists, and thrid world people who hate their values more than they hate those of western conservatives. The left is in a funk because they cannot define the Islamist crisis into a rational anti-American construct, and then proclaim their special understanding of it. They tried, some early gasps being the September/October "root causes" arguments, meaning what they would hope the root causes would be. Osama's later videos stumped them.
Simply, they have nothing worthwhile to say, and since they cannot claim a special knowledge of foreign affairs anymore since the same are widely discussed now among all elements of the public. Additionally, they have nothing to say about religion, which makes them unable to address religion as a cause of political and military crises. Finally, since many lived in the New York kill zone target of the terrorists, they've shut up or changed their tune, or at least opened their minds.
Their are still some bleats. My favorite one is the repetitive "I'm being censored" when they mean "I'm being criticized." They haven't felt what they have been practicing against others - it's dumbfounding to them.