On the April 26th edition Your Call, we’ll have a conversation with Sonia Kennebeck about her new documentary National Bird, which weaves together the chilling stories of three whistle blowers who break the silence around the secret US drone program.

Should we think of whistleblowers as selfless martyrs, as traitors, or as something else?  Hear John Perry and Ken Taylor's conversation with the world's most famous whistleblower, Edward Snowden.  Tuesday at 12pm.