Tanenhaus elevates Chambers to the pantheon of great American postwar intellectuals and declares Alger Hiss a Soviet spy, and no critics object.
Tanenhaus declares Alger Hiss to be an American hero. 
mnli hypothesis: Tanenhaus declares Alger Hiss to be an American hero.  premise: Tanenhaus elevates Chambers to the pantheon of great American postwar intellectuals and declares Alger Hiss a Soviet spy, and no critics object.