Been bugging me all day:

Wheels and Walls.

Trump rolls out the wheel to try to sell his wall news.yahoo.com/trump-rolls-wheel-try-sell-wall-

https://news.yahoo.com/trump-rolls-wheel-try-sell-wall-203434922.html

The first Mesopotamian potter's wheel dates back to approximately 3500 B.C., for instance, and walls used for defensive purposes are believed to have been built 11,500 years ago in what is now Turkey. As metaphors, however, wheels and walls couldn't be more different, with one symbolizing mobility and the other a dead end.