21.   But surveying likely voters is also hard, because no one knows until Election Day who will really vote.

22.   But the lead goes up to low double digits when the poll is refined to reflect self-identified likely voters.

23.   But while his radio strategy allows Forbes to speak directly to an audience of likely voters, Tuesday it was not without its perils.

24.   By then, internal and independent polls had given Schundler an edge among likely primary voters.

25.   By then, however, internal and independent polls had given Schundler an edge among likely primary voters.

26.   Chervinsky explained the statistical differences in the two samples by saying likely voters polled during the week may have different opinions from voters found at home on the weekend.

27.   Democrats said it was unnecessary and might discourage turnout among likely Democratic voters.

28.   Democrats, helped by absentee ballot drives by organized labor, have also done door-to-door registration to target likely voters.

29.   Dole says he has since seen the light, but my guess is he has since seen the polls of likely Republican voters.

30.   Ellis, the Bush cousin, said campaign officials had been somewhat concerned that many of the polls did not adequately account for likely voters.