Although he was a Democrat, McDonald was a prominent [[movement conservative]], one of the most [[conservative]] members of Congress of either party, and had served as the president of the [[John Birch Society]]. He was the only member of Congress killed by [[Communist]]s during the [[Cold War]]. | Although he was a Democrat, McDonald was a prominent [[movement conservative]], one of the most [[conservative]] members of Congress of either party, and had served as the president of the [[John Birch Society]]. He was the only member of Congress killed by [[Communist]]s during the [[Cold War]]. |