St. Laurent stayed on as Liberal leader and Leader of the Opposition for half a year after the election .
St. Laurent and the Liberals were defeated in the general election of 1957 , with John Diefenbaker forming a minority government .
St. Laurent stayed on as Liberals leader and Leader of the Opposition for half a year after the election .
St. Laurent and the Liberals were defeated in the general election of 1957 , with John Diefenbaker forming a minority government .