As Anthony Davis fielded questions about what his return to New Orleans on Wednesday might feel like, he stared across the Los Angeles Lakers’ locker room at someone who already has answers about how to navigate an uneasy homecoming: LeBron James. Of course James remembers the animosity in the air when he played his first game in Cleveland with the Miami Heat. He remembers it so well that he knows the date — Dec. 2, 2010 — as if it were a loved one’s birthday. Nearly a decade later, James is trying to prepare Davis for what to expect when New Orleans Pelicans fans will surely pelt him with vitriol pent up from seeing their franchise player walk out the door. In the past week, a number of Lakers spoke about the issue.