1.   Now suppose you want to join a discussion about Macintosh computers.

2.   He also invited opposition leaders to join discussions on new electoral laws.

3.   And Palestinian aides said that if substantive progress was made, both Yasser Arafat, the Palestinian leader, and Barak might join the discussions later in the week.

4.   Any subscriber can call in, join a discussion or offer suggestions.

5.   At several points during the talks, special Mideast envoy Dennis Ross and other officials entered the suites and joined the discussions.

6.   Before long the white council joined the discussions.

7.   Cheney, joining the discussions by telephone, argued for a strong anti-terrorist emphasis in whatever remarks emerged.

8.   Halstead joined the discussions in the spring.

9.   He joined the discussion because he is a white man married to a black woman and is naturally interested in the dynamics of the discussion.

10.   He invited the City Council to join the discussions to fine tune the measure and offered whatever information it needed to participate.