1.   And last August, the Pentagon had to stiffen regulations because so many women said they were the victims of reprisals for filing complaints.

2.   The aviation agency is trying to stiffen those regulations.

3.   Three days later, Davis called key lawmakers to his office asking them to slow the progress of bills pending in the Legislature that stiffened regulation of HMOs.

4.   Canada has stiffened anti-smoking regulations in recent years.