61.   Speculation has centered on the United States taking its war against terrorism beyond Afghanistan.

62.   Media speculation has centered on Osama bin Laden, although Pentagon and US officials have said they do not know for sure who the men were.

63.   Most speculation centers on the sparkling gambling-ski resort city of Lake Tahoe along the Nevada-California border.

64.   Much speculation has centered on the fate of the outspoken and crusading finance minister, Sam Rainsy.

65.   Police said no one claimed responsibility for the attack, which caused no injuries, but speculation has centered on two possibilities.

66.   Speculation also centered on the Middle East where the new Israeli leadership has troubled Arab countries with its hardline stance on the peace process.

67.   The current speculation centers around whether her unexpected appearance at the party convention means she has changed her mind about politics.