11.   But speculation has arisen on both sides of the Pacific over the real nature of his mission.

12.   Speculation immediately arose that the chemical was Agent Orange, a cancer causing defoliant used by the U.S. military during the Vietnam War.

13.   Speculation frequently arises that Buthelezi will eventually split the coalition government by quitting his post as Home Affairs minister.

14.   Speculation has arisen that he may be offered an ambassadorship, possibly to Portugal.

15.   Speculation arose about the nuclear submarine project after a scientist, Kota Subba Rao, disclosed it when his own design for a reactor was rejected.

16.   Speculation had arisen after another scientist went public saying his reactor design was rejected.

17.   Whenever Yeltsin falls ill, speculation arises about his ability to govern.

18.   On Tuesday, speculation arose that the American carmaker was interested in the Swedish company, causing shares to rise in both Stockholm and New York.

19.   Speculation arose as to why Michel quit.

20.   Speculation about problems arose last week after dissident leaflets were drop in the diplomatic compound in the North Korean capital of Pyongyang.