1. The Constant Liberal: Pierre Trudeau, Organized Labour, and the Canadian Social Democratic Left: by Christo Aivalis, Vancouver, University of British Columbia Press, 2018, 278 pp., CAN $37.95 (paper), ISBN 978-0-7748-3714-9. Author McHugh, James T. Subjects *NONFICTION, *BIOGRAPHY (Literary form), CANADIAN prime ministers Published 2019 Full Text View/download PDF