“…court data revealed that the percentage of divorces leading to equal joint custody — in which time with each parent is split 50–50 — rose from just 2 percent in 1980 to 35 percent in 2010.” Wow, as a child from a joint custody situation in the late ’80s, I didn’t realize it was so rare. That’s from a new Atlantic story: “America Isn’t Ready for the Two-Household Child.” (But also: “To be fair, constructing surveys that capture the complexities of joint custody is difficult. Anecdotally, we know that such arrangements tend to be highly fluid, shifting throughout the year during summer breaks and holidays, and over time as kids age.”)