PBS NewsHour | Shields and Gerson on Clinton’s email problem, Senate sabotage of Iran negotiations

Syndicated columnist Mark Shields and Washington Post columnist Michael Gerson join Judy Woodruff to discuss the week’s news, including former Secretary of State Hillary Clinton’s response to concerns about her use of email, the letter sent by Republican senators to Iran’s leadership, and the fallout from a video capturing a racist chant at the University of Oklahoma.