21.   But the contrast between the bad economic news in Argentina and good news elsewhere in Latin America is a reminder that green cheese has its virtues after all.

22.   But the brevity of these films turns out to have unexpected virtues.

23.   But the spikeless spike has other virtues.

24.   But the period rooms do have the virtue of reminding us why modern architecture had to be invented and has not gone out of style.

25.   But there are those who argue that meat has virtues that are being overlooked.

26.   But this method also has many virtues to recommend it, even to sedentary cooks whose scouting days are long past.

27.   But this miracle of self-invention has more virtue in the abstract than it does on screen.

28.   Conservatism, however, has its virtues.

29.   Czerny has the virtue of relative calm, though his being the only performer to use a non-British accent suggests a political allegory that is surely unintentional.

30.   Despite the presumptions and stereotypes that exist about gay and lesbian journalists, the truth is they have special virtues for excellence, Stewart said.