Original sentence: In the second trial corroboration of Chambers's charge that Hiss was a Communist was given in the form of testimony from Hede Massing, an American ex-Communist who recounted meeting  Hiss at a social function in which they both spoke obliquely about their Communist activities
Edited sentence: In the second trial some slight corroboration of Chambers's charge that Hiss was a Communist was given in the form of testimony from Hede Massing, an American ex-Communist who recounted meeting  Hiss at a social function in which they both spoke obliquely about their Communist activities