About 60 Minutes Season 49, Episode 4 : Finding Refuge | The Brothers Rosenberg

Finding Refuge - Secretary of Homeland Security Jeh Johnson says "thorough" refugee vetting process has been augmented with social media searches.The Brothers Rosenberg - The sons of Julius and Ethel Rosenberg tell Anderson Cooper what it was like to be the children of infamous Communist spies during the McCarthy era, in a story that sheds new light on one of the most dramatic espionage cases of the Cold War -- the execution of a husband and wife, leaving their two little boys orphans.