71.   And while the regulations call for rigid enforcement, neither the government nor the United Nations has taken any steps toward enforcement.

72.   And yet, researchers acknowledge that so far they have taken only the first baby steps toward the larger challenge of building molecular-scale computers.

73.   Any meaningful new regulation should require some free air time, as a step toward comprehensive campaign reform.

74.   Ann F. Lewis, the White House communications director, warns that blindness to race is a step toward resegregation.

75.   Arizona took a huge step toward winning the division, but equally important is what transpired on the other coast.

76.   Arizona junior Yusuf Scott, a leading offensive lineman, has taken a preliminary step toward making himself eligible for the next NFL draft.

77.   As a first step toward cooperation, Quincy will organize focus groups in which workers articulate not just their complaints but their insights for improving quality and productivity.

78.   As a first step toward that goal, he promises to crack down on the smugglers who funnel illegals northward from Mexico and points farther south.

79.   As a step toward becoming a doctor, Le also plans to work as a medical assistant or lab technician to gain familiarity with the American health care system.

80.   Articles hailed this as a step toward creating drugs or genetic alterations to improve memory in humans.