11.   Among room-exes, dating remains a thorny issue, one with the potential to wreck chances of a later friendship.

12.   An experienced human resources consultant, Levin had spent years guiding managers through thorny issues like racial sensitivity and sexual harassment.

13.   And he knows that even if Labor wins big, Blair will still want the backing of Liberal Democrats on such thorny issues as a single European currency.

14.   And she and Charlynn had talked about thorny issues with their respective boyfriends.

15.   And the substantive discussions on how to deal with thorny issues of restitution have all been held in private.

16.   And while the British Telecommunications-MCI combination may raise thorny regulatory issues, analysts predict it will not be the last cross-border alliance.

17.   Another thorny issue involves the federal tax rules.

18.   Another thorny issue facing both presidents is immigration.

19.   Another thorny issue is disarmament.

20.   APEC members also struck a broad agreement on the thorny issue of non-discriminatory treatment of trading partners in the region, the Chinese official said.