A.M. Links: Sidney Blumenthal Subpoenaed, David Letterman Retires, Senate to Vote on USA Freedom Act
Congressional investigators have subpoenaed Hillary Clinton adviser Sidney Blumenthal, insisting that he testify next month before the House committee investigating the 2012 Benghazi attack.
- The Senate will vote this week on the USA Freedom Act.
- Islamic State fighters have gained partial control of the ancient city of Palmyra in Syria.
- "North Korea said Wednesday that it has the ability to miniaturize nuclear weapons, a key step toward building nuclear missiles."
- Inside the Texas biker gang wars.
- Late Show host David Letterman is retiring tonight.