One of the best and worst things about a PR crisis is that it's public by nature. If you handle it well, everyone sees it. If you don't, well...same.
This also makes it easy to learn from other PR pros from watching what they do in a crisis.
Here are a few very public "uh ohs" from the past few years, and what you can learn from them to avoid such a mistake, collected in a slideshow for you to flip through!