However , being disillusioned , he became the regime 's vocal critic , for which he was persecuted and censored .
After the war , he was at first a staunch supporter of the Czechoslovak Communist regime and one of its most prominent journalists .
Being disillusioned , he became the regime 's vocal critic , for which he was persecuted and censored .
After the war , he was at first a staunch supporter of the Czechoslovak Communist regime and one of its most prominent journalists .