Complex sentence: In January 2014, "Channel 4 News" broadcast the only known recording of Burgess in which he recalled a 1938 meeting with Winston Churchill shortly before his defection to the Soviet Union.
Split into simpler sentences: In January 2014, "Channel 4 News" broadcast what at the time was thought to be the only known recording of Burgess. In this he recalled a 1938 meeting with Winston Churchill shortly before his defection to the Soviet Union.