In the looking glass world of current U.S. foreign policy, the received wisdom is that Iran might have bombs tomorrow, and was working toward them yesterday--but in the eternal sunshine of the present moment, it is never quite clear to the White House that Iran is actually building the bomb.

CENTERFORSECURITYPOLICY: Flirting with disaster

Like sunshine stealing back the colours from a poster in a window, history often turns our memories into black and white.

BBC: Margaret Thatcher: A tribute to conviction politics