41.   But sources familiar with the investigation say it is hampered by the passage of time.

42.   But sources familiar with the talks said progress has been made and an open-skies accord could be reached sometime this spring.

43.   But now sources familiar with the investigation surrounding Robinson say detectives believe a teen-ager being raised by a family known to the murder suspect could be Tiffany.

44.   But sources familiar with the logbook said tax information could be obtained only on current White House employees because their signature was needed on a release form.

45.   But sources familiar with discussions between American and the pilots leadership said the board will consider more than one proposal.

46.   But sources familiar with the investigation remained cautious.

47.   But sources familiar with the negotiations say such items are mostly an easy target for those trying to look tough at the bargaining table.

48.   But two sources familiar with the investigation said the girl accused Hathaway of more than fondling her.

49.   But, according to a source familiar with the research, concerns range across a broad spectrum, from empathy to fear of youth.

50.   Celtics and bank sources familiar with the deal say Citizens will get a rebate this year, having secured the provision in negotiating the deal with the team.