Amir Khan?s comeback: Confidence the key for King Khan

The career of Amir Khan is something like a roller coaster. The 26-year-old Brion won a Silver at the Athens Olympics, making himself a sensation in the UK, but loudly denied any interest in turning pro. That didn't last long, and soon Khan started fighting for money, with plenty of promotional muscle behind him. Things were looking good for Khan as he spent the first few years of his career climbing up the ladder, becoming Commonwealth Lightweight Champion in the process. Then in 2008 he was fl…