MICHAEL BARONE ON THE BLUE MODEL’S DEMOGRAPHIC TRAP: Fewer dollars and babies threaten social programs. “When Medicare was established in 1965 and when Social Security was vastly expanded in 1972, America was accustomed to the high birthrates of the posWorld War II baby boom. It was widely assumed that the baby boom generation would soon produce a baby boom of its own. Oops.”

Related thoughts from Jonathan Last: The nation’s falling fertility rate is the root cause of many of our problems. And it’s only getting worse.