A weakening real estate market and other possible harbingers of recession suggest that oil demand - and therefore prices - could erode even further.
His case has been followed closely as a possible harbinger of how the other politicians might be handled in court.
All see it as a possible harbinger for admissions policies at state universities nationally.
And many experts see the publications as possible harbingers of greater official freedom in a country where the Government has previously assiduously regulated the printed word.
Though brief, today's courtroom session was testy, a possible harbinger of things still to come in the Simpson legal story.
Total employment went up in February, offering a possible harbinger of recovery.
The fate of Falluja has become a possible harbinger for all of Iraq.
But we do not dispute its accuracy, as a possible harbinger of things to come.
Wall Street was lifted by rising profits at Merrill Lynch, a possible harbinger of greater demand for stocks over all.
YOU may come across what, for better or for worse, is a possible harbinger of the area's future.