Flooding in America is getting more frequent and severe

If you live in a flood-prone place your whole life, it's more likely than not you will experience a 100-year flood. That's because climate change is causing flooding in America to get more frequent and severe. In some parts of the Midwest and East Coast, extreme rain has already increased more than 50% since the early 1900s. And, as floods get worse, some Americans must answer a particularly difficult question: Does it make sense to rebuild at all?