Context: The following year, when Philip Graves, the Constantinople (modern Istanbul) correspondent of The Times, exposed The Protocols as a forgery, The Times retracted the editorial of the previous year.

Question: A Constantinople correspondent of The Times exposed what anti-Semitic document as a forgery?
Answer: The Protocols

Question: Who was the name of the The Times Constantinople correspondent who exposed the anti-Semitic document as a forgery?
Answer: Philip Graves

Question: How did The Times respond to the exposing of anti-Semitic documents as forgery?
Answer: retracted the editorial