Affiliations

• ¹ Northwestern University, Evanston, IL, USA. finkel@northwestern.edu druckman@northwestern.edu.
• ² Duke University, Durham, NC, USA.
• ³ Harvard University, Cambridge, MA, USA.
• ⁴ University of California, Irvine, Irvine, CA, USA.
• ⁵ Stanford University, Stanford, CA, USA.
• ⁶ University of Arizona, Tuscon, AZ, USA.
• ⁷ University of Maryland, College Park, MD, USA.
• ⁸ Northwestern University, Evanston, IL, USA.
• ⁹ Dartmouth College, Hanover, NH, USA.
• ¹⁰ Massachusetts Institute of Technology, Cambridge, MA, USA.
• ¹¹ University of Illinois at Chicago, Chicago, IL, USA.
• ¹² New York University, New York, NY, USA.