81.   Reporters stepped over construction materials with architect David Heymann, associate dean for undergraduate programs at the University of Texas, and Laura Bush as their guides.

82.   She and others say the responsibility for telling male soldiers when they have stepped over the line often falls on the women.

83.   She had to stop playing with one virtual partner because he was trying to step over the line between fantasy and real life.

84.   She steps over younger children, who use candy for accounting to do math problems on the floor.

85.   Step over that line, and speed kills.

86.   Stepping over the thickly needled sprays of hemlock, I found myself at the top of the waterfall.

87.   Step over the beer pooling on the floor, and bring along the binoculars.

88.   Stepping over track after track, we finally turned between two trains.

89.   Squinting in the harsh sunlight, commandos in full combat gear kicked their way through trash and stepped over human waste littering the airport.

90.   Strolling through downtown, stepping over slag piles and yet-to-be-installed street lights, Frommer offered a critique of the cityscape.