Hopefully, Armstrong and the person or business you are thinking of can look back on their trust breach as a crucible of leadership.

FORBES: Lose Trust and You're Lost: Five Crucial Steps Lance Armstrong Didn't Take

And it's starting to look like some folks who were thinking of buying are already holding back.

NPR: Marketplace Report: Housing Market Cooling Down

As you look back on your views at the beginning of this process, do you see places where your own thinking or your own assumptions were flawed in some way?

NPR: Reflections on Three Years of War in Iraq

And it got me thinking about looking back, asking these seniors in high school, these graduating seniors to look back at themselves in seventh grade, because it's such a potent time in our lives.

NPR: Help 'Ask Amy' Write A Commencement Speech