Original sentence: The 1958 papal conclave which elected Roncalli as pope was later surrounded by conspiracy theories claiming that a conservative cardinal, Giuseppe Siri, was the conclave's first choice for pope but was forced amid threats of pogroms against Roman Catholics in the Eastern Bloc to decline the papal tiara
Edited sentence: The 1958 papal conclave which elected Roncalli as pope was later surrounded by evidently false conspiracy theories claiming that a conservative cardinal, Giuseppe Siri, was the conclave's first choice for pope but was forced amid threats of pogroms against Roman Catholics in the Eastern Bloc to decline the papal tiara