How American diplomacy has evolved in the modern era

Secretary of State Antony Blinken is back in the U.S. after visiting Guatemala to discuss “humane migration management” with Western Hemisphere leaders. That’s the third continent in the last eight days for America’s top diplomat. Jon Alterman, senior vice president at the Center for Strategic and International Studies, joins CBS News to examine what it means to represent the U.S. on the world stage.