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.