How big a problem is family fragmentation? “Immense,” says Mitch Pearlstein, head of the Minnesota think tank Center of the American Experiment. “The biggest domestic problem facing this country.”

So big he went out and interviewed 40 experts of varying ideology across the nation and relayed their answers in his book Broken Bonds: What Family Fragmentation Means for America’s Future. That’s the good news. The bad news is that none of the experts is confident he has an answer, and neither is Pearlstein.