That meant people on benefits knew ministers were able to call their bluff.

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If teachers adopted a much tougher attitude and started shouting at pupils, he says that pupils would soon call their bluff.

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So if the DUP does adopt a "call their bluff" policy, and these hurdles are overcome, how soon could we have a border poll?

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And many prominent Republican Congressmen are loath to call their bluff.

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If so, why did Mr Major not call their bluff?

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The GOP should call their bluff.

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He's here to call their bluff, to tell them the truth they don't want to hear: most of their principles are bad (if well intentioned) and will ultimately lead to nobody making any money, having any ownership over the quality of their creations, or any way to support themselves on the internet -- outside of giant companies whose main source of revenue is online advertising.

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Some in Baghdad are tempted to call the Kurds' bluff and let them go their own way.

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