“Walking Out the Door,” just released, the first of several reports resulting from the American Bar Association’s 2017 initiative on why women leave the law, is a lot to digest.

Women enter law school and the profession at about equal rates with men—maybe more so. Yet women’s ranks in senior private law positions thin out substantially, in fact, by as much as half, even in the 21st century. The report gives reams of statistical information on a range of topics, but several things jump off the page.