51.   But lately, scientists have offered up other explanations.

52.   But Major neither offered up an apology nor professed any regrets later.

53.   But instead of a game to remember, the Cowboys offered up the quintessential model for what is fast becoming a season to forget.

54.   But rather than put multiple candidates up for a vote of the partners, the candidates are offered up one at a time.

55.   But Sunday the Redskins actually introduced an element of dignity into the season by offering up resistance.

56.   But television and Hollywood have always offered up contradictory messages about marriage.

57.   But then they offer up even more doom.

58.   But there was little talk of cuts or austerity in the budget Pataki offered up Tuesday.

59.   But when he and his friends finally arrived in the Catskill woods in November, he always offered up the best spots to someone else.

60.   But with Amazon U.K. already making copies available in the United States, Scholastic will offer up the fourth book at the same time it debuts in Britain.