 Her book, "The Power of Why", came out in 2012.Already touted as Peter Mansbridge's successor on "The National", the 42-year-old Lang made "Toronto Life"'s 2012 '50 Most Influential People in Toronto' annual list.On 13 October 2015, CBC announced Lang was leaving the broadcaster effective 16 October for what was described as "a new opportunity outside the CBC in television."