Guest host Jeff Glor leads a discussion of the ongoing battle for Aleppo, Syria, with Richard Fontaine, president of the Center for New American Security, and James Jeffrey of the Washington Institute for Near East Policy. John Carreyrou and Michael ... (more)Siconolfi of The Wall Street Journal discuss the investigation of Theranos with guest host Jeff Glor. Amy Adams discusses her new movies "Arrival" and "Nocturnal Animals."