By Matt Audilet Last night, the Philadelphia 76ers suffered a disappointing blowout loss to the Brooklyn Nets — the same team they acquired James Harden from in a blockbuster trade before this year’s deadline. After this loss, NBA on TNT analyst Charles Barkley shared some harsh thoughts on the Harden-to-Philly trade. “James [Harden] is a terrific player. But when the lights are the brightest, he has played awful,” Barkley said. “The thing about being a great player — you don’t have to play great [all the time], you just can’t stink up the joint. And he stunk up the joint tonight. “The Sixers …