Floor-crossings are controversial, but not necessarily a political kiss of death

It's uncertain if Chris d’Entremont can successfully carry the banner as a Liberal. But he joins a long line of defectors who make covering the House of Commons interesting.

MP Chris d'Entremont, left, with then-Green MP Mike Morrice in 2023, now affiliates himself with the Liberals after crossing the floor on Nov. 4—which was also budget day. The move stunned the Conservative Party and political observers. The Hill Times photograph by Stuart Benson

Opinion

BY PAUL PARK

November 17, 2025

OTTAWA—In 1977, rock-ribbed Alberta Tory MP Jack Horner shocked Ottawa by crossing the floor to become a cabinet minister in Pierre Elliott Trudeau’s Liberal government.

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