"This transition formula covered people born roughly from 1917 to 1921--the group now known as the notch. It gave many of them higher benefits than they otherwise would have had, but lower than the lucky group that got the windfall. Hence, the notch-baby grievance arose. The retirees in this group didn't care (or didn"t know) that that small group of previous retirees merely had benefited from a mistake. They wanted the same windfall benefits, too."  MORE >>