Politicians might find 'bumper car therapy' beneficial in relieving polarization

Over the last 35 years our family has vacationed at the same place on the beach. While the buildings have been refurbished, the complex remains largely unchanged.

However, our entertainment has changed a lot. We still swim, jump the waves and build sandcastles, but our board games, puzzles and playing cards have been replaced with kids’ electronic tablets, smart phones and movies downloaded from the internet.

We still take lots of pictures, but rather than taking them to film processing centers, we use cellphone cameras to instantly text and post photos on Facebook.

As long as we remember, the...