In recent days Mr Rafsanjani has reportedly been in the clerical capital, Qom, rallying support, though he has not yet openly shown his hand.

BBC: Iran poll row set to rage on

The rumpus may also have alerted more people to the fact that the parliament has acquired some power, even though it has not, hitherto, shown that it has the oomph to exercise it.

ECONOMIST: Shaken in Strasbourg

The daily OBV (not shown) is below its WMA, though so far the volume on the decline has not been heavy.

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The perseverance Mason has shown in pursuing his dream, even though he was not the starter, shows that when you put your mind to it, and are willing to compete even when you are doing what you would prefer doing, you can succeed.

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Even though this was test-tube research and the new strain has not yet been shown to be infectious in animals, the scientists involved say it offers important clues as to how prion diseases cross between species.

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It may not be necessary to stop using share options (though actual shares are probably a purer incentive and have shown themselves to be effective in motivating managers).

ECONOMIST: Only if it is properly governed

Congress likewise has not allowed Medicare to drive down the cost of durable medical equipment through competitive bidding even though pilot studies have shown this could save 40%.

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