It is also a provocative challenge to Washington, which helped broker the original promise of significant constitutional changes.

Its social view of the photographic interchange is a provocative challenge to the way art history has traditionally treated photographs.

During provocative challenge, the person is given incrementally higher doses of salicylates, usually aspirin, under medical supervision, until either symptoms appear or the likelihood of symptoms appearing is ruled out.

And he said a series of provocative challenges were planned to increase the tension among those who remain.

The New York Times described Mathews as "a constant and provocative challenge to Mr. Griffin.

For both actors, the two-character play - which begins in Frankie's bed with the frenzied sounds of lovemaking, and some discreetly handled nudity - presented a provocative challenge.

Bayazid Khan's provocative challenge to the information status quo necessitated a "survival narrative" at the time after his movement/struggle failed.

Even earlier in the game, Barton felt - justly - that Alex Song had stamped on him in the aftermath of what was an obviously provocative challenge.

In some cases, skin tests and provocative challenge may be necessary to establish a diagnosis of allergy.

Jonathan Weiner, a senior State Department official under President Clinton who dealt with terrorist financing, said today's action would be a provocative challenge to the European governments.