21.   Among the GOP presidential candidates, only Sen. Arlen Specter of Pennsylvania has introduced or endorsed a flat tax measure.

22.   Among his more revolutionary ideas is a flat tax -- a proposal he has pushed without success for several years.

23.   An anti-Forbes ad, which said his flat tax plan would eliminate the home-mortgage interest deduction, also was praised.

24.   And Armey was one of the earliest and most vocal proponents of the flat tax.

25.   And concern over the prospects for a flat tax could easily resurface, Lindberg said.

26.   And he questioned why Dole would use Democratic numbers from the Clinton adminstration to attack his flat tax proposal.

27.   And Dole has continued to be vague about what kind of flat tax he might support.

28.   And he made a pitch for the flat tax that he has made so popular in this campaign.

29.   And Forbes drew the support of only one-sixth of the voters who support a flat tax.

30.   And how would they benefit from his flat tax?