But his colleagues have warned Mr Ashdown that he can now take only one step at a time, and even then only after he has consulted first with his front bench.

ECONOMIST: Why Paddy will miss Peter most

Then-Treasury chief Robert Rubin declared that this was a one-time-only event and that the U.S. and the IMF had not set a precedent.

FORBES: Fact and Comment

In practice then, only one date looks auspicious for a referendum: the spring of 2003, by which time the euro will (presumably) have settled in as a physical currency.

ECONOMIST: Britain and the euro

Then the channel narrows to a mere 600 nanometers, allowing only one DNA segment to pass at a time.

FORBES: Technology

Then the channel narrows to a mere 600 nanometers wide, allowing only one DNA segment to pass at a time.

FORBES: Health