In this respect, Mr Tang seemed to be doing his bit to restore calm.
Lebanese troops and security forces deployed in parts of the city to help restore calm on Sunday.
Nevertheless, their arrests were hardly necessary to restore calm to Manila.
The mounting concerns about overnight interbank rates and the commercial-paper market have led many investors to argue that the Fed should cut rates to restore calm.
The army launched a major security operation in the morning, sending troops backed by armoured personnel carriers on to the streets to restore calm and re-open roads.
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"All the resources of government security and strategic air are working at this moment to restore calm and tranquility to this region of the country, " he said.
It is a time to restore calm and proceed wisely.
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Nor is there an army such as in Egypt, with the prestige and unity to intervene, restore calm and (we all hope) set the country on a better path.
Giving some ground to customers and acknowledging that they have been wronged, and that their frustration is legitimate and understandable, can help to restore calm and allow the call to proceed.
So Albania is unlikely to get a cent more aid until Mr Berisha manages peacefully to restore calm and bring the opposition back into the political game, preferably in a ruling coalition.
It will balance the budget, maintain our credit rating, calm our creditors, restore business confidence, send unemployment tumbling, and, by the way, guarantee your reelection.
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