Answer:

debater

AnswerCrossword Clue
DEBATERCandidate, at times
DEBATERPro in a certain contest?
DEBATERPro, half the time
DEBATERLincoln or Douglas
DEBATERKennedy or Nixon, in '60
DEBATERLegislator, at times
DEBATERSchool-team arguer
DEBATERHigh school team member
DEBATERMember of a college "team."
DEBATERDouglas, for example.
DEBATERArguer.
DEBATERMember of a college team.
DEBATERMember of a college group.
DEBATERPolitical candidate, at times.
DEBATERCandidate, at times.
DEBATERDisputant.
DEBATERDisputant
DEBATERDouglas or Lincoln
DEBATERPro or con man
DEBATERCon man, at times
DEBATERPolitico, at times
DEBATEROne engaged in logomachy
DEBATERParticipant in an arguing contest
DEBATERAccentuater of the positive
DEBATERKerry or Bush, in 2004
DEBATERForensic expert