Partisanship in Congress and Time on Bench

DW-Nominate is a way to measure partisan behavior in Congress. I was interested in whether the current state of polarization is different from past eras, so I built two scatterplots showing the history of both houses of Congress:

Partisanship in the Senate.

Partisanship in the House.

Also, I was curious if Supreme Court justices are being appointed younger or serving longer than in the past, so I visualized that, too.

All of this was made with D3.