1.   Fearful of provoking Serb retaliation, they have declined previously to permit more muscular action by the U.N. troops or NATO warplanes covering the peacekeepers.

2.   Fearful of provoking Serb retaliation, they have in the past declined a more muscular action.

3.   Fearful of provoking Serb retaliation, they have declined previously to permit more muscular action.

4.   The bombings have been the most muscular NATO action the Balkan war and coincided the first intense push led by Washington to forge peace.

5.   Whether the muscular action star will be back with it remains to be seen.