Biz LeBron is taking his talents to the high-end retail industry. USA Today reports: “LeBron James has announced that he will launch a new, modern luxury concept store in Miami for fall 2011. The store, which will open with a mix of apparel, footwear, printed materials and lifestyle accouterments, with featured brands to include A.P.C., Original Fake and Nike Tier 0 product, will be called Unknwn.”