Zeitgeist: Grasping the Depth of Time as a First Step in Understanding Evolution

An excerpt from an article by NY Times editorial observer Verlyn Klinkenborg that gives some perspective on the hot fuss around Intelligent Design:
One of the most powerful limits to the human imagination is our inability to grasp, in a truly intuitive way, the depths of terrestrial and cosmological time. That inability is hardly surprising because our own lives are so very short in comparison. It's hard enough to come to terms with the brief scale of human history. But the difficulty of comprehending what time is on an evolutionary scale, I think, is a major impediment to understanding evolution.
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That is a lot to absorb and, not surprisingly, many people refuse to absorb it. Nearly every attack on evolution - whether it is called intelligent design or plain creationism, synonyms for the same faith-based rejection of evolution - ultimately requires a foreshortening of cosmological, geological and biological time.
Full article