Mr. Rentaro Iida, Ph.D Candidate, Georgetown University

Conclusions
• We should theorize party realignment as evolutions of
networks containing diverse set of actors.
• In the case of abortion, interest groups seemed to had a
first-mover advantage in shaping what will be discussed in
media, the politicians and groups with broader focus later
adopted the same kind of language to discuss the abortion.
• In order for an issue to become an salient party cleavage, a
single issue groups has to involve diverse set of people.
Interest
groups?
Polarization of
Media discourse