71.   Even those who fervently believe that investors can change the world wrestle with that question.

72.   Every so often we experience one of those small events that has the potential to change the world.

73.   Even as a child, Mrs. Clinton seemed to be trying to change the world, one parent at a time.

74.   Few of these concertgoers wax nostalgic about peace, love, and tie-dye or about music that aims to change the world.

75.   Everyone knows that the Internet, ever-faster computing capabilities and connectivity have changed the world.

76.   First, people acting together have the power to change the world.

77.   Five college grads looking to change the world come to Washington, D.C., to work in politics, news media, law, etc.

78.   Fold a piece of paper, and you can change the world.

79.   Gehry says that like many young architects, he started out wanting to change the world.

80.   Girl power is the power that girls possess to change the world.