NATO at 70: Is It Time To Overhaul One of America's Oldest Alliances? Barry Posen on WBUR | 2019 | News NATO at 70: Is It Time To Overhaul One of America's Oldest Alliances? Barry Posen on WBURApril 2, 2019 Barry Posen on a WBUR segment, April 1, 2019, titled "NATO at 70: Is It Time To Overhaul One Of America's Oldest Alliances?"