51.   But why have a powerful processor if you are not going to push the envelope sometimes?

52.   But with competency has come the urge to push the envelope and try tricks seen only on TV or his Sony Playstation.

53.   De la Renta and Sorbara went furthest in pushing the envelope forward.

54.   Defiant and unashamed of his poor roots, Flynt pushed the envelopes of decency and tolerance.

55.   Despite his adventurous streak, Jerry Schrimsher always emphasized safety and sometimes was viewed as overly conscientious by skydivers who wanted to push the envelope.

56.   Does pushing the envelope with the likes of avocado and corn make it ultimate?

57.   Drug companies proceeded to experiment gingerly with how far they could push the envelope on commercials.

58.   Each filmmaker tries to push the envelope of what can be done.

59.   Even for adult TV, it pushes the envelope at times.

60.   Even in its patchier recent seasons, the writers were clearly trying to push the envelope.