Still, USA Basketball was supposed to put together a gold medal-winning team regardless. There was enough talent. Or so we thought, until the Americans were thumped by France in the quarterfinals, and then folded to Serbia in the consolation round in a game they actually trailed, 32-7. Although Team USA played hard in the quarterfinals and may have advanced with some Marcus Smart made free throws, or a foul call or two for Donovan Mitchell and Kemba Walker, it lacked the talent, togetherness, and execution of previous teams. “I’m proud of every last one of my teammates,” Smart said. “We gave it all we had.” So, there is likely going to be a major reboot before the 2020 Tokyo Olympics, with perhaps Mitchell, Jayson Tatum, and Walker the only players from the World Cup team who stand a chance of making the Olympic team. But what the heck happened in China? Team USA’s coaching staff was loaded with future Hall of Famers in Gregg Popovich, Steve Kerr, and Jay Wright, along with rising coach Lloyd Pierce. Mitchell and Walker are considered top 20 NBA players. Jaylen Brown and Smart are top defenders, while Harrison Barnes is a strong second-tier NBA…