‘The Invisible War,’ ‘How to Survive a Plague’ and ‘Blackfish’ Among 2014 News and Documentary Emmy Nominees

The 35th News and Documentary Emmy nominations were announced yesterday, and the current events journalism side heavily represents coverage of the Boston Marathon bombings. The documentary half includes the airings of a number of favorite features from recent years, including The Imposter (A&E), Brooklyn Castle (PBS — POV), Special Flight (PBS — POV), G…