The Cold War and U.S. Diplomacy Select a president from the table, “Presidents and Their ‘Doctrines,’” in Roskin, Chapter 4. Then write a 3-5 page paper on the doctrine that president used according to Ros kin.Your research must include at least four (4) credible sources, apart from your textbook. Your paper must address the following: PLEASE NO PLAGERISM 1. Summarize a situation that required .