11.   Advertising executives are divided over whether Klein once again pushed the boundaries of taste with his new underwear ad.

12.   After years of pushing the boundaries for producers she worked with, now she sat down to establish them.

13.   But even black filmmakers who push thematic boundaries have found that the returns are not always rewarding.

14.   But Mrs. Gore pushed the boundaries slightly in both ways this week.

15.   But some religious women have begun to push the boundaries of even modernist male scholars.

16.   But there is no doubt that reading remains the best and cheapest way to learn, travel, dream, to push the boundaries of your brain.

17.   Each time you think movie violence has reached its limit, the collective creative energies of world cinema find new ways to push its boundaries.

18.   Fifty-seven years after becoming a pioneer, George Cooper is still pushing the boundaries.

19.   Examining traditional distinctions between male and female is one of many ways that Lepage pushes the boundaries of perception.

20.   From olive oil with ice cream to foie gras in a black bean mole sauce, he is always pushing the boundaries of his cooking.