As the First World War made painfully clear, when politicians and generals lead nations into war, they almost invariably assume swift victory, and have a remarkably enduring tendency not to foresee problems that, in hindsight, seem obvious.

Work is hard. Distractions are plentiful. And time is short.

The first World War in so many ways shaped the 20th century and really remade our world for the worse.

No international court can ever substitute for a working national justice system. Or for a society at peace.

I think that, in almost all human beings, there is buried a profound tribal instinct that makes us very susceptible to being aroused to patriotic fervour.

Newt Gingrich seldom misses a chance to note that he is a historian.