What’s happening this weekend is a historic reunion. Stephen Curry, an All-Star Weekend host with the festivities held in San Francisco and Oakland, will be back on the same stage with his Olympic pals. With LeBron James at 40 and Curry and Kevin Durant at 36, the three don’t know how many more of these they will have. “There ain’t going to be that many times left,” James told ESPN’s Dave McMenamin. “So you take it all in and you don’t take it for granted. “It’s coming to an end soon.”