71.  But now they return as Super Bowl participants, and the image, once considered beyond repair, has undergone dramatic changes.

72.  But since then, even when Japan has undergone revolutionary change, there has been no single person leading the way.

73.  But now his legacy is in the hands of an untested new Team Disney at a time when the entire entertainment business is undergoing profound changes.

74.  But the hospice movement, like medicine, has undergone tremendous change in the past few years.

75.  But the company may undergo some changes if the deal goes through.

76.  But the role of the corporation has also undergone significant change, he argued, as companies have become much more efficient.

77.  But that most traditional of housing unit, the Navajo hogan, is undergoing radical change.

78.  But the traditional loaf is undergoing changes.

79.  But their makeup and function have undergone change as dramatic as the increase in their annual fees.

80.  Cancer cells undergo genetic changes that occur progressively.