31.   Afterward, the air war dragged on and he came to regret having made that promise.

32.   But a Democratic colleague praised the House action against the air war.

33.   But as the air war over Yugoslavia continues with no end in sight, military analysts are questioning whether this two-war strategy is realistic.

34.   Bush has mildly criticized the Republican-controlled House for refusing to endorse the air war in Yugoslavia now that it is under way.

35.   But Clinton proved right in his belief that an air war alone could do the job.

36.   But during the air war the alliance threatened to intervene if there was an outright coup in Montenegro by forces loyal to Milosevic.

37.   But an air war of attrition may be a luxury NATO cannot afford.

38.   But the alliance has staked out tough conditions for Milosevic to meet before the air war ends, leaving NATO with little negotiating room.

39.   But that happened only because of the resolve of Clinton and other NATO leaders in pushing the air war.

40.   But the air war in the Balkans loomed over the proceedings.