41.   Some Democrats expressed new doubts about Ashcroft.

42.   The accident raised new doubts about the future of the tilt-rotor plane.

43.   The attack ended a month-long lull in Israeli-Palestinian fighting and raised new doubts about a U.S. truce mission.

44.   The heaviest fighting in weeks has cast new doubt on peace efforts in Kosovo and has increased fears that the violence could spill into neighboring Macedonia.

45.   The latest figures reinforce recent evidence of improving economic growth and cast new doubt on chances the Federal Reserve will lower short-term interest rates.

46.   The massive turnout raises new doubts about prospects for a truce.

47.   The report raised new doubts about security after the third hijacking of the year from the airport ended Monday with three hostages and the four hijackers dead.

48.   The results cast new doubt on the value of barium enemas.

49.   The stock market faltered Tuesday after a robust economic report from the manufacturing sector led to new doubts about the outlook for lower interest rates.

50.   At the same time, new doubts were raised Sunday about the impartiality of legislators probing the affair that has plunged the country into a deep political crisis.