Concealed Enemies, PBS, May 7, 8,9
On a chill December night in 1948, Whittaker Chambers led two investigators from the House Committee on Un-American Activities into a pumpkin patch on his Maryland farm. From inside a hollowed-out pumpkin he produced several rolls of microfilm: copies of secret Government documents that, he claimed, had been passed to him in the 1930s by a State Department official named Alger Hiss, when both men were members of a Soviet espionage ring.
A few days later, HUAC members, spurred on by first-term California Congressman Richard Nixon, called Eastman...