It's hard to believe but it has been twenty years since the Berlin Wall came down signaling an end to the Soviet Union. There are some great images here.
I try not to be preachy, but here's the exception that makes the rule...
It's kind of nice to be reminded that sometimes really bad ideas eventually get recognized and corrected. There are too many bad walls still standing.
We should take a lesson from history and start getting rid of them, too.