WARNING THE WEST This May 25, 2022 file photo shows Federal Bureau of Investigation Director Christopher Wray during a US Senate Appropriations Subcommittee hearing in Washington, D.C. AP PHOTO LONDON: The heads of the United Kingdom and United States intelligence agencies warned on Wednesday about China's commercial espionage thrust in the West, in a rare joint address at the British agency's London headquarters. Speaking to an audience of officials and business executives in Thames House, MI5 Director General Ken McCallum and Federal Bureau of Investigation (FBI) Director Christopher Wray said the threat from Chinese spies was paramount in both countries…