In such a contest, who knows whether Europe's view on beef and hormones would prevail?
Who knows whether their leveraged deals ride out the recession or face bankruptcy?
But the bureaucrats most intimately involved were shunted to other jobs in July, so who knows whether any will be implemented.
And who knows whether, in time, we will become big frackers?
Who knows whether the symptoms are just being noticed once all the activities wind down or whether a child is simply fatigued enough that their immune system becomes a little weak.
Even had Aflac put Gottfried through a Twitter sensitivity class, who knows whether that would have actually kicked in when he saw the comic material offered in the form of the devastation wrought by the earthquake and tsunami in Japan?
Whether anyone who knows any history could be so mistaken is arguable.
To be fair, no one knows whether Marissa will support someone who wants to bring a baby to the office as she does.
FORBES: Marissa Meyer at Yahoo! Declares: Face Time Is The Key
Whether we find one this year, who knows.
FORBES: All Warren, All The Time (What 'The Oracle Of Omaha' Has Been Saying)
Whether George Washington handled the ground or not who knows?
BBC: SPORT | Other Sport... | Horse Racing | Araafa upsets odds for Irish win
"It would either be maybe playing some cricket abroad in one of the warmer countries of the world, whether it be South Africa or Australia - who knows, or going on that Champions Trophy trip, " he said.
BBC: SPORT | Cricket | England | Giles hoping to make Ashes tour
But whether it's going to be a nice, steady progression - who knows?
BBC: NEWS | Science/Nature | Golden age of dino finds forecast
应用推荐