Political scientist and Harvard University professor Graham Allison joined CBS News with more on his research about the "Thucydides trap," which Chinese President Xi Jinping apparently mentioned to President Trump during their summit in China.
The House Committee on Ethics is investigating North Carolina Republican Rep. Chuck Edwards after sexual harassment allegations emerged against him. CBS News' Taurean Small reports.
Cuba is experiencing growing unrest as the U.S. weighs next steps for the island. William LeoGrande, a professor at American University, joins CBS News with more insight.
