How can the public opinion affect foreign policy

In light of the Islamophobic rhetoric by so called political leaders in the United States in the race for the presidential elections, the public have varying opinions about where the US stands in the global arena. US foreign policy on Immigration and terrosrism seems to be high on the agenda to presidential candidates but many people, especially American Muslim disagree with what has been proposed by candidates. How much weight does public opinion really have on Foreign policy...

Guest: Irfan Nooruddin
Position: Associate Professor in the Edmund A. Walsh School of Foreign Service at Georgetown, and is a member of the School's Asian Studies Program and author of Coalition Politics and Economic Development: Credibility and the Strength of Weak Governments