In a move promoted as supporting freedom of speech, The Washington Post will no longer publish opinion columns that oppose the core views of Post owner and Amazon executive chair Jeff Bezos, Bezos has reportedly told staff. New York Times reporter Benjamin Mullin and Semafor reporter Max Tani published details about the move on Wednesday, noting that changes also include the departure of current opinion editor David Shipley. The memo from Bezos and another from Washington Post CEO Will Lewis…