21.  But probably the biggest reason for the decline in sales is the complexity of the stories.

22.  But Martinez is the biggest reason they were able to overcome the loss of Mo Vaughn to free agency and even be here to challenge the Indians.

23.  But the biggest reason for the change in philosophy is free agency.

24.  But the biggest reason they can do that is their pitching.

25.  But the biggest reasons were internal.

26.  But the biggest reason for the rise of programmers is that they no longer have to rely solely on cable for distribution.

27.  But the biggest reason is that they continue to nurse wounds from an economic crisis the government insists has long since passed.

28.  But the biggest reason may be that Europeans are panicked these days about food safety.

29.  But the biggest reason for suspicion is the most obvious of all.

30.  But the biggest reason for the interest is that people think that her campaign may finally reveal the solution to a conundrum that has puzzled America for years.