Presidential letdownTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSteinhorst, Beate02/01/2014February 1, 2014In an interview with DW at the Munich Security Conference, US Republican Senator John McCain speaks about the NSA scandal, Ukraine and US foreign policy under president Barack Obama.https://p.dw.com/p/1B1KFAdvertisement