In his PS contribution, Brian Calfano worries that the Montana postcard fiasco will lead IRBs to impede political science field experiments, especially at teaching institutions.
[Brian R. Calfano, “‘I’ Does Not Mean Infallible: Pushing Back against Institutional Review Board Overreach,” PS: Political Science & Politics 49, no. 02 (April 2016): 304–8, doi:10.1017/S1049096516000251.]