By Michael Alison Chandler | Washington Post | December 11, 2017
The every-other-weekend dad, born from two generations of soaring divorce rates, was once a conventional part of American culture. In recent years, more couples have been agreeing to parent after divorce as they did in marriage: collaboratively.
Now lawmakers are accelerating this trend toward co-parenting, with legislatures in more than 20 states this year considering bills that would encourage shared parenting or make it a legal presumption — even when parents disagree…