OTTAWA—The federal Liberal government is tapping former Supreme Court justice and United Nations high commissioner for human rights Louise Arbour to lead what it is billing as an independent review of the military’s handling of sexual assault, harassment and other misconduct. Defence Minister Harjit Sajjan announced Arbour’s appointment Thursday, nearly three months after the government and Canadian Armed Forces were rocked by allegations of inappropriate sexual behaviour by the military’s very top commanders. One of Arbour’s primary tasks will be to help establish an independent system through which victims and others can report incidents of sexual misconduct. However, she will also review all aspects of the military’s approach to preventing and punishing such behaviour. That includes everything from how it screens, recruits and trains service members to the way reports are handled, victims are supported and perpetrators are investigated and punished. “This system needs to be focused on those who …