It was like a parent trying to coax a lying child into admitting an obvious truth.

NEWYORKER: Soldier��s Joy

The thing is, all economists (other than the Marxists perhaps) accept this as an obvious truth about value.

FORBES: The Guardian Reveals 130 Year Old News

When Mervyn King recently said that the fall in the exchange rate was helpful the governor of the Bank of England was merely stating an obvious truth.

ECONOMIST: The return of thrift

But in 1992, then-candidate Bill Clinton's campaign slogan in the United States, "It's the economy, stupid, " caught on precisely because it highlighted such an obvious, important truth.

CNN: The Economy, Stupid

But at its core was an obvious, irresistible truth.

WSJ: Jason Gay: Adjusting to Life Without Tebow

Yet, the truth is so obvious that surely only an expert could miss it: There is never a lack of potential aggressors.

CENTERFORSECURITYPOLICY: Center For Security Policy