Erdogan raises questions about U.S. partnership

Turkey has been an important ally to the U.S. for years, but conflicts over fighting the Islamic State in Syria, human rights and other issues have driven a wedge into that relationship. Judy Woodruff talks with William Brangham about her interview with President Recep Tayyip Erdoğan in New York, including his reaction to the Trump administration not selling weapons to Turkish presidential guards.