Aldon Smith believes he is on the path to being sober for good. Part of the process for the San Francisco 49ers' All-Pro linebacker to rejoin the team following a five-week stint in rehab included a verbal commitment to the NFL that he would stay out of trouble and keep clean. ''I think any time we could all look into our lives and find something we need to work on,'' Smith said Tuesday, seemingly relaxed. ''I've taken my time and I've done that.'' A clean-cut Smith - hair trimmed from his previous long, curly cut - returned to the 49ers' locker room after his long absence and five missed games to cheers from teammates who chanted his first name. More...