Complex sentence: In the 1950s, he was a fierce anti-Communist cold warrior &, later still, an even fiercer opponent of the Vietnam War & a great enthusiast of the student radicals of the 1960s.
Split into simpler sentences: In the 1950s, he was a fierce anti-Communist cold warrior. Later still, he was an even fiercer opponent of the Vietnam War and a great enthusiast for the student radicals of the 1960s.