11.   Both groups start work when school opens next Wednesday.

12.   A GOP group has started buying air time for TV ads that will be broadcast in the states of Oregon, Washington and Wisconsin, featuring Nader attacking Gore.

13.   A group of activists started the paper as a way to inform and organize residents of the South Bronx around housing issues.

14.   Business groups have started to counterattack through their America Leads on Trade coalition, of which most large Bay Area companies are members, from Hewlett Packard to Chevron.

15.   But as soon as universities joined, student groups started protesting that move.

16.   But Eric Muehlbauer, a spokesman for the spine society, said the group had never started a letter-writing campaign.

17.   But even as the groups start team-building efforts, a host of vexing tensions perpetuate rifts among their disparate constituencies.

18.   But now the group is starting to play better.

19.   But once the groups have started, Weiss and his team stay out of the way, letting the group manage itself.

20.   But smaller groups have started major movements.