> American society was mobile in his day and has only gotten more mobile since.

This is the conventional wisdom. Is it true? I've seen assertions challenging it in the past, suggesting Americans were less likely to make big moves today than in the past, and instead remain in the same city (this was in connection with some divorce/custody cases).

Blurbs challenging the assertion:

http://www.newsmax.com/US/americans-moving-less-than/2014/05...

https://www.washingtonpost.com/blogs/wonkblog/post/why-are-a...

http://uselectionatlas.org/FORUM/index.php?topic=151554.0;wa...

and one on how Americans are still mobile compared to the rest of the world: https://www.washingtonpost.com/news/wonk/wp/2013/05/15/the-u...