41.   But in recent months, since Netanyah u has been prime minister, the entire Arab world has had a much more frigid attit ude toward Israel.

42.   But in the Olympic year, coming a month after the Games, worlds have all the allure of a consolation match.

43.   But that world has dark edges that come out in the ads.

44.   But the Bloomberg world sometimes has an insular feel.

45.   But the carrot-and-stick world of accountability has many detractors among education specialists.

46.   But the music world has yet to reclaim him.

47.   But the rich world has also at some point to acknowledge that much aid to countries under unreformed governments has in the end been wasted.

48.   But the world has had a difficult time agreeing on people to lead global institutions.

49.   But the business world had a siren call.

50.   But these children have seen the worst the adult world has to offer.