The twentieth century should have taught the citizens of liberal democracies the catastrophic consequences of placating tyrants.
. . . since the fundamentalist revolution in Iran was the culmination of a long series of events that dates back to 1953, when the Eisenhower administration authorized a covert U.S.-British intelligence operation to topple the democratically-elected government of Mohammad Mosaddeq in Iran.
If Mr. Hanson really believes that relations between the U.S. and the Islamic world suddenly turned sour in 1979 when the Islamic fundamentalists overthrew the Shah and seized the U.S. embassy in Tehran, he's absolutely ignorant.
In his memoirs, "Present at the Creation", Dean Acheson (Sec'y of State under Truman) expressed a lot of respect for Mossadeq.
I think that Guatemala was a similar situation, where the Eisenhower administration overthrew a democratically elected leftist who probably was benign.
In contrast, Eisenhower forced the British, French, and Israelis to withdraw from their take-over of the Suez canal from Nasser, a real bad guy.
Jewish scholarship has a bitter saying about King Saul: "Because he was kind when he should have been cruel (to King Agog), he ended up being cruel when he should have been kind (to David)."
Maybe U.S. was cruel when it should have been kind (Mossadez, Arbeniz), and ended up being kind when it should have been cruel (Nasser, Arafat, Khomeini).