The story about that presidential limo getting stuck on a bump in Dublin brings to mind the phrase P.J. O’Rourke used when reporting on a game of bushkazi: “Metaphor alert!”

The limo is the administration’s fiscal policy, the bump is the deficit. Or: the limo is the War on Terror, the bump is Pakistan. Or: the limo is Obama’s re-election strategy, the bump is the unemployment figure. Or … … Discuss among yourselves.