31.   Fox has mounted a vigorous campaign that calls for change, and blames the PRI for corruption and for leaving half the country impoverished.

32.   Gov. Michael O. Leavitt of Utah led a vigorous bipartisan campaign to create a Western primary day for the eight states just this side of California.

33.   General Electric has fought a vigorous campaign to prevent the federal government from requiring it to dredge sediments in waters contaminated by PCBs.

34.   Genovesi, who leads the Thomas Jefferson Democratic Club, is expected to mount a vigorous campaign for Ms. Gold.

35.   He has made repeated visits there and plans a vigorous campaign in the Golden State.

36.   He then launched a vigorous recruiting campaign.

37.   In recent days, the National Association of Broadcasters has mounted a vigorous campaign, getting broadcasters in every state to urge their congressional representatives to kill the plan.

38.   Insurance agents and small banks have led a vigorous campaign this summer to block mergers of banks and insurance companies.

39.   So the department began a more vigorous campaign of reclaiming the fuel and replacing it with material that is not usable in bombs.

40.   Some advocated a vigorous campaign to sway public opinion, but they were consistently voted down by those who believed in a stealth strategy.