Having observed the intense engagement between Mr Yanukovich and the EU, Russia may change tack.
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And for all that Texan bluster, Mr Bush has been willing to change tack.
Mr Payan has not long to persuade either the government or the rebels to change tack.
He may well change tack again, as is his custom, on this delicate topic.
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Republicans welcomed the bipartisan agreement as proof that the sequester's effects were forcing Democrats to change tack.
Republicans welcomed the bipartisan agreement as proof that the sequester's impacts were forcing Democrats to change tack.
Tim Morris, chief executive of the Institute of Cemetery and Crematorium Management, says it is time to change tack.
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But the problems can all be overcome through existing engineering solutions, if politics and economics can only change tack.
Prime Minister and Conservative leader David Cameron said his party would not "change tack" on the economy, immigration or welfare in response to the poor performance.
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As this version of the crisis gains credibility, the pressure is growing to change tack and to let Greece restructure its debt, with investors taking losses.
So the DUP was surprised to hear that Sinn Fein was going to change tack in the assembly and seek a delay in the bill which involved the biggest shake-up in benefits for decades.
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The messages from his transition team have been mixed, thanks partly to the diversity of its members, partly to Mr Fox's own tendency to change tack when it suits him, and partly to a disorganised press team.
If Dr Jaafari is to stand a chance of making peace among his fellow Iraqis, he needs to change tack both in the way he builds a ruling coalition and in how he tries to stop Iraq sliding into a full-blown civil war.
For Plaid - there will certainly be that change of tack and tone now.
This is providing the private health-insurance industry in America with an opportunity for a change of tack.
Whatever seeds of doubt Labour may have sown about the Conservative plans, its change of tack was probably counter-productive.
Three main factors seem to have brought about the Russian change of tack.
There was also disquiet over a change of tack which saw more cases being settled before they went to court.
Indeed, this week's change of tack by Ms Rice coincided with a new push by America and Europe for tighter anti-nuclear sanctions on Iran.
That brought a sharp change of tack a year ago, after the expulsion from Georgia of several Russians accused of spying had raised the temperature again.
After years of virtuous pleading for more decisions by majority vote in Euro-councils, the chancellor shocked his partners by what seemed like a sharp change of tack.
In recent weeks there has been a change in tack in Brussels - and also within the IMF - that austerity is not working, in France, Britain or the southern European periphery.
That argues for a change of tack.
ECONOMIST: The IMF needs to change tack if Spain asks for a bail-out
Military exigencies forced a change of tack.
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