GOP candidate Rick Perry got a painful lesson in what not to do in front of an audience during this week's debate, when he suffered what USA Today said may have been "the worst memory meltdown in the history of presidential debates." His loss (of memory) is your gain when it comes to improving your presentation skills.
One of the biggest issues for any public figure or brand is the faith with which they keep their core promise to stakeholders. When they mess up, there is a momentary opportunity to avoid further disaster that affords them the chance to come clean and potentially be forgiven. But that moment quickly passes, and with it, and the opportunity to make it right.