As of 1948, James I. Loeb, co-founder of both the Union for Democratic Action (UDA) Americans for Democratic Action (ADA), stated that Pressman was "probably was the most important Communist in the country ... he certainly was a Communist influence."

In early 1948, Pressman led a group of like-minded colleagues in a pitch to CIO executives to abandon Truman and the Democratic Party for Henry A. Wallace and his Progressive Party.
 The pitch failed.
 Repercussions came quickly.
 In late 1947, housecleaning of the CIO from communists had already begun when Len De Caux was let go by Murray.
As of 1948, James I. Loeb, co-founder of both the Union for Democratic Action (UDA) Americans for Democratic Action (ADA), stated that Pressman was "probably was the most important Communist in the country ... he certainly was a Communist influence."
In early 1948, Pressman led a group of like-minded colleagues in a pitch to CIO executives to abandon Truman and the Democratic Party for Henry A. Wallace and his Progressive Party.  The pitch failed.  Repercussions came quickly.  In late 1947, housecleaning of the CIO from communists had already begun when Len De Caux was let go by Murray.
Lee Pressman