No one is questioning the ability of American forces in Iraq, but there are worries about how long US forces can carry on with such a conflict.

NPR: U.S. End Game in Iraq a Work in Progress

That news, when coupled with our continued lack of engagement in Asia, especially in light of Chinese military naval expansion, has world leaders questioning our ability to finance our commitments abroad.

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Currently, the firm is hoping to release it into less restricted overseas markets by the year's end, but analysts here in America are questioning its ability to pass through all the red tape required for it to hit our shelves.

ENGADGET: Next Safety developing nicotine-delivery device to curb smoking

However, by this time the tide was turning and many leading educators were questioning the effectiveness of mixed ability teaching.

BBC: Setting, streaming - how schools teach

Politicians and pundits from left and right are questioning Mr Wulff's ability to survive in his largely ceremonial role, in which he is meant to embody the conscience of the nation.

ECONOMIST: The president tries to ride out a home-loan scandal

The statement added that "this is not about questioning the manager's judgement or the ability of a particular player" - but the issue has rankled Benitez, who told the media on Friday to ask chief executive Rick Parry about the Barry negotiations.

BBC: Barry transfer saga riles Benitez

Confidence but not arrogance is the tricky balance a lawyer must navigate, as is the ability to anticipate where the line of questioning may lead.

CNN: STORY HIGHLIGHTS

In fact, given the interactive nature of social media, and the ability it gives you to form a community with clients, some are now even questioning whether you still need a website.

FORBES: Is Your Website A Dinosaur?