A good summary is given in http://www.newyorker.com/tech/frontal-cortex/why-smart-people-are-stupid Here's an excerpt:

'as the scientists note, “people who were aware of their own biases were not better able to overcome them.” This finding wouldn’t surprise Kahneman, who admits in “Thinking, Fast and Slow” that his decades of groundbreaking research have failed to significantly improve his own mental performance. “My intuitive thinking is just as prone to overconfidence, extreme predictions, and the planning fallacy”—a tendency to underestimate how long it will take to complete a task—“as it was before I made a study of these issues,” he writes. '

Disagree. See comments in http://lesswrong.com/lw/d1u/the_new_yorker_article_on_cognitive_biases/