'The Americans' Walks The Line Between Spy Thriller And Family Drama

The FX show "The Americans," starring Matthew Rhys and Keri Russell, returns to FX tonight for its fourth season. The show doesn’t have a big audience but has been critically acclaimed. NPR TV critic Eric Deggans speaks with Here & Now's Robin Young about how the show focuses on the tensions of being a spy, and the tensions of being part of a family.