A febrile atmosphere in currency and stock markets is also expected to persist as traders look ahead to gathering this weekend of central bankers in Jackson Hole, Wyoming, where the focus will be on the Federal Reserve meeting next month to consider raising US interest rates for the first time since 2006.
"This third rail is just basically piling up inside that first train car," Robert Sumwalt, a member of the National Transportation Safety Board (NTSB), said at a news conference ahead of a week of gathering evidence and interviewing witnesses.
The exchange lit a fire underneath the crowd, and in so doing seemed to increase his chances of gathering momentum ahead of Saturday's primary in South Carolina.
Jordan has denied the report, but it has added to the anxiety over the issue ahead of the gathering of Western and Arab countries in Istanbul on Sunday.
The announcement comes ahead of a gathering of world leaders in Paris in December aimed at reaching an ambitious global deal to tackle climate change.
China has begun a fresh news-media campaign to discredit the banned spiritual movement Falun Gong ahead of a gathering of devotees in Hong Kong on Sunday.
The Federal Reserve will publish its account of its last policy meeting, which will give an idea of the mood ahead of its gathering in mid-March.
The central bank's top brass has gone into overdrive in recent weeks as officials deliver speeches staking out their positions ahead of the gathering.
The Syrian groups were meeting ahead of a gathering on Sunday in Istanbul of the so-called Friends of Syria including many Arab and Western governments seeking Mr. Assad's ouster.
The Italian authorities have gone to enormous lengths to avoid trouble, closing parts of Genoa ahead of the gathering, and hiring cruise liners to accommodate the delegations from the G8 countries.
When climate-change negotiators meet in Barcelona next week ahead of their gathering in Copenhagen, they should not forget the need for greater attention to the plight of the Himalayas.
