National Liberal Convention (Ottawa, 00/08/1948): sequence on Louis Saint-Laurent making acceptance speech after being elected leader of Liberal Party (sound). Short word from wife of Saint-Laurent afterwards. MS's of Louis Saint-Laurent being congratulated by Prime minister William Lyon Mackenzie King as Mrs Saint-Laurent stands by in background. Shots of James G Gardiner and Louis Saint-Laurent sitting on platform, listening. Abrupt cut to Prime minister Mackenzie King speaking about Louis Saint-Laurent's election as leader of the liberals and Prime minister of Canada. LS of Prime minister Mackenzie King standing on podium, speaking (snatches of speech not in original order). Several HASs of delegates applauding and of standing ovations. Shot of VIP's on platform standing for national anthem (no sound).