OTTAWA—Conservatives will push for a vote on a new all-party House of Commons committee to look back at Canada’s plan for the fall of Afghanistan to the Taliban and the response to the humanitarian crisis that followed. Conservative Leader Erin O’Toole says the committee will help Canadians understand why Canada failed to act when the United States pulled troops out of Afghanistan on Aug. 30. “This government did not act and Canadians watched as those who helped our soldiers, helped our aid workers, helped our diplomats in one of the longest, most arduous missions in our history. We watched as we left people behind,” O’Toole said in the House of Commons Tuesday. The Conservative motion calls for the government to provide documents about the government’s plans for the eventuality of the U.S. withdrawal, instructions that were issued to execute those plans, and communications about the impact of calling a federal …