In “Red Scare,” Clay Risen shows how culture in the United States is still driven by the political paranoia of the 1950s.

The detention and threatened deportation of Mahmoud Khalil stands in a long tradition of the US government using border ...

NPR's Steve Inskeep speaks with author Clay Risen about his new book, "Red Scare," which tells the story of McCarthyism based in part on newly declassified sources.