Another MP defects from the Conservatives to the Liberals, bringing the latter just one seat short of a majority government. What sparked this floor-crossing? Will it have consequences at Pierre Poilievre's leadership review next month? And can the Liberals convince another opposition member to make that last decisive switch? Plus, as Parliament heads into a six-week break, the panel shares what they're watching for in politics over the holidays. CPAC’s Michael Serapio discusses it all with bureau chiefs Robert Fife, Tonda MacCharles and Joël-Denis Bellavance.