Brian Mulroney in office). By this time, his approval ratings had dipped into the teens, and were at 11% in a 1992 Gallup poll, making him one of the most unpopular prime ministers since opinion polling began in Canada in the 1940s. There was a consensus that Mulroney would be heavily defeated by Jean Chrétien and the Liberals if he led the Tories into the next election—ironically, the same situation that led to Trudeau's departure from the scene nine years earlier. He announced his retirement from politics in February and was replaced as Prime Minister by Defence Minister Kim Campbell in June.
Brian Mulroney PCs, led provincially by Robert Stanfield, swept to a surprise victory. Mulroney became a youth delegate and attended the 1956 leadership convention in Ottawa. While initially undecided, Mulroney was captivated by John Diefenbaker's powerful oratory and easy approachability. Mulroney joined the "Youth for Diefenbaker" committee which was led by Ted Rogers, a future scion of Canadian business. Mulroney struck an early friendship with Diefenbaker (who won the leadership) and received telephone calls from him. Mulroney won several public speaking contests at St. Francis Xavier University, was a star member of the school's debating team, and never lost an interuniversity debate.