The most recent symposium (2014) on data transparency, reproducibility, new ethics guidelines and replication studies in PS: Political Science & Politics. Volume 47. Issue 1.
A symposium with several articles on replication in international relations, published in 2003 in: International Studies Perspectives. Volume 4, Issue 1.
Nicole Janz, Seth Werfel, and Stephanie Wykstra discuss replication in political science graduate courses at the The Monkey Cage Blog (The Washington Post).
The Political Science Replication Blog by Nicole Janz discusses challenges for reproducibility, replication studies in teaching, new software tools and journal policies.