Skip to main content
Menu
Search
Skip to content
Annenberg Public Policy Center of the University of Pennsylvania
Home
Research Areas
Climate Communication
Communication Science
Health and Risk Communication
Institutions of Democracy
Science of Science Communication
Past Projects
News
Awards and Recognition
General News
Latest Publications
News Coverage
Press Releases
Events
APPC Speaker Series
Martin Fishbein Memorial Seminar Series
Peter Hart’s Voices of the Voters
Publications
Audio and Video Resources
Books
Journal Articles
Research Data Sets
Research Findings
Supplemental Material
White Papers and Reports
People
Director
Research Director
Director, Climate Communication
Director, Communication Science
Director, Institutions of Democracy
Director, Leonore Annenberg Institute for Civics
Research Fellows
Visiting Scholars and Postdoctoral Fellows
Staff
Home
News Items
Here’s what Trump thinks is the greatest threat to the world
Here’s what Trump thinks is the greatest threat to the world
Posted on
August 14, 2017
Recent Articles
Most Americans Favor MMR Vaccine Requirement for Public School
Annenberg Science Knowledge/ASAPH surveys
September 12, 2025
Americans’ Knowledge of Civics Increases, Annenberg Survey Finds
Annenberg Civics Knowledge Survey
September 11, 2025
Rise in Gun Violence in Top U.S. Movies Parallels Growth in Gun Homicides Among Young People
Culture of Health and Media Portrayal in Our Nation
August 13, 2025
