21.   By targeting the youth audience, Fox led a trend that saw other networks wooing the younger viewers they once ignored.

22.   Both those NBC comedies, however, easily won the competition among the younger viewers most sought by advertisers.

23.   CBS, which is trying to draw younger viewers to its new lineup, is second.

24.   CBS also hopes to reach ratings that approach blockbuster status and perhaps even bring in millions of younger viewers the networks has had trouble reaching on a regular basis.

25.   CBS even did best in the competition for younger viewers, which is rare.

26.   CBS is hoping the show generates blockbuster ratings and maybe even brings in millions of younger viewers, which the network has had trouble reaching regularly.

27.   CBS News is examining ways to create news programs suited to younger viewers.

28.   CBS is still struggling to find hit shows that appeal to the younger viewers whom advertisers pay a premium to reach.

29.   CNN officials think they have already done what they can to keep younger viewers coming back.

30.   Even the fourth-overall Fox network outranks CBS in younger viewers, making CBS fourth in that crucial audience.