The 38-year-old lawyer is a rising political star who aims to become the first person from an ethnic minority to lead a major political party in Canada and challenge Justin Trudeau in an election set for 2019.
The deal with Omar Khadr marks the fifth time the Canadian government has settled with citizens who were detained abroad following 9/11.
Omar Khadr was captured in Afghanistan in 2002 at age15 after a firefight with US soldiers. He pleaded guilty to killing a US Army medic and became the youngest inmate held at the military prison in Cuba.
Andrew Scheer may have won the opposition but the Conservatives need to pull together a credible economic plan to beat Trudeau’s Liberals.
Several hundred asylum seekers, mainly from Africa but also the Middle East, have entered Canada and claimed that they were in the US legally.