Dozens of Israeli hostages from Hamas' October 7, 2023 attacks are set to be released, in exchange for hundreds of Palestinian prisoners, as a long-awaited ceasefire in Gaza is just hours away. But how long can the fragile deal hold, after 15 months of war? Plus, the latest contenders to join the federal Liberal leadership race to replace Prime Minister Justin Trudeau. Can any of them gain the momentum to take on Conservative leader Pierre Poilievre? And the possible lifeline from President-Elect Donald Trump to TikTok, before the social media giant faces a ban across the U.S.