The Trump administration's top intelligence officials told Congress that America's greatest security threats are radically different from those seen by President Trump. The global threat assessment does not warn about a crisis on the southern border. Intelligence leaders pointed to dangers from ISIS and North Korea that the president has downplayed. CBS News senior national security analyst Fran Townsend, who was homeland security and counterterrorism adviser to President George W. Bush, joins "CBS This Morning" to discuss the gulf between the intelligence community and the president.