"North Korea Warns Foreigners In South Korea To Protect Themselves; 73-Year-Old Auschwitz Survivor Uses Social Media To Search For Twin Brother; 6.3 Magnitude Earthquake Strikes Southeastern Iran; Uhuru Kenyatta Sworn In As Kenya's President; A Look At Margaret Thatcher's Legacy". "News Stream" with Kristie Lu Stout, www.cnn.com. April 9, 2013.