Twenty years ago or so it was "the end of history." Now it's a hinge? It sounds like historians keep finding solutions that are in need of problem. Or perhaps,

Twenty years ago or so it was "the end of history." Now it's a hinge? It sounds like historians keep finding solutions that are in need of problem. Or perhaps, a book or two needs to be sold? Meanwhile, we're struggling to get past history properly re-paradigmed.