Life after 65 is a time when people start to think of sustainability. Not just of life, but also of the means to pay for it. If you're well-prepared, you've got a good chance of making it to 90 or later. And if you're a federal retiree or about to become one, you're probably doing better than average. Tammy Flanagan, federal retirement expert, joined Federal Drive with Tom Temin on Federal News Radio to share some more statistics.