By Christina Dugan and Melody ChiuOriginal Source: people.comWhen it comes to his struggle with addiction, AJ McLean has always been upfront and honest.In this week’s issue of PEOPLE, the Backstreet Boys star opens up about his sobriety and how becoming a dad has helped him stay on track.“You know, it’s interesting about sobriety with family and with kids — you still have to put yourself first, and that’s been a real big struggle for me,” McLean, 40, admits. “Look, I have no shame in saying, I’ve relapsed over the past year. It’s no secret that this is a disease, and that it’s a daily struggle.”...click here to continue reading