Republicans and Democrats search for unicorns in crucial Wisconsin: undecided voters

Students line up to vote early at the University of Wisconsin, Madison, this week. Photograph: Caleb Alvarado/The Guardian

On a warm October morning in Madison, Wisconsin, Ty Schanhofer found a unicorn: an undecided voter.

Schanhofer, an organizer with the University of Wisconsin student Democratic party, had unfolded a plastic table on campus and was trying to encourage people to register in the key swing state.