Whether all this really leaves America with no alternative to unilateralism may be open to doubt.

ECONOMIST: Yet more reason to worry about those Europeans

As a general impetus to speed up the course of justice, citizens would also have a constitutional right to a reasonably speedy hearing, as is enshrined in the constitutions of Mexico and Portugal, although how effective this would prove to be in practice remains open to doubt.

ECONOMIST: The price of justice | The

Whether intractable social problems can be solved quite so magically is open to doubt.

ECONOMIST: David Cameron

There should be no doubt that this move will open the Scouting program to more youth, and that's something we should all be celebrating.

CNN: Ban on gays hurts Scouting

Critics argue that this would open the door to censorship and industry analysts doubt whether service provider can be persuaded to carry the costs.

BBC: Online services liable for bootlegs

The regulations published by the Pentagon stipulate that the accused will be considered innocent until proven guilty beyond a reasonable doubt, that he cannot be compelled to testify against himself, and that the trials should be open to the press and public if possible.

ECONOMIST: Fighting terrorism