Trending TV: Spies are hot, again

Secret agents are lurking everywhere on TV in 2014. 

From "The Avengers" to "Mission Impossible" to "24," spy thrillers always have been a TV staple, but with the National Security Agency under fire for spying on everyday Americans and others, espionage stories seem all the more resonant these days. Here's a look at several current or upcoming spy shows and several old favorites that can be seen online... (more)