By Justin Barrasso Punk defeated Hangman Page in the main event of Double or Nothing to become the new AEW champion. For the first time since 2013, CM Punk is a world champion. In the newest chapter of a legendary career, Punk defeated Hangman Page in the main event of Double or Nothing to become the new AEW champion. After Page couldn’t find the killer instinct to finish Punk by hitting him with the belt, Punk reversed a buckshot lariat into the Go To Sleep for the victory. For years, Punk championed himself as “The Best in the World.” He now has the belt to prove it. Page has a long, success…