11.  Washington is taking a careful line on who is responsible for a terrorist bombing campaign that prompted both the crackdown in Moscow and the intensifying military attack on Chechnya.

12.  While they have accused the Republicans of moving too quickly to judge Clinton, Democrats too are treading a careful line.

13.  Installed in Grozny after Russian troops secured the capital in early March, Khadzhiyev has pursued a careful line.

14.  Robinson is treading a careful line.

15.  The commission is not pressing for more legislation, walking a careful line not to trigger First Amendment concerns.

16.  The move indicates that the group was taking a careful line in managing its debt load.

17.  The Kuwaiti government has been trying to walk a careful line in the current crisis.

18.  Thus, both presidents must walk a careful line.

19.  But the Russian leader trod a careful line on the Middle East.

20.  The UN secretary general also had to walk a careful line to avoid upsetting either superpower.