Kenney on list of past Alberta premiers to resign amid party strife

Former Alberta Premier Ralph Klein speaks during a funding announcement at Heritage Park in Calgary on Sept. 20, 2006. Earlier in the day, Klein's letter of resignation was accepted by the Alberta PC party. THE CANADIAN PRESS/Jeff McIntosh Former Alberta Premier Ralph Klein speaks during a funding announcement at Heritage Park in Calgary on Sept. 20, 2006. Earlier in the day, Klein's letter of resignation was accepted by the Alberta PC party. THE CANADIAN PRESS/Jeff McIntosh

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Putin calls nuclear weapons a tool of deterrence in Ukraine

Russian President Vladimir Putin on Wednesday hailed the annexation of Ukrainian territories as a major achievement and said his country's nuclear weapons serve as a tool of deterrence in the war that the Kremlin calls a 'special military operation.'