By Andrew Holleran Real or fake, there’s been some ongoing beef between Charles Barkley and Shaquille O’Neal this postseason. The two former NBA stars, who co-host Inside The NBA together on TNT, have been going back and forth about a number of topics during the playoffs. Things have gotten heated at times. It’s certainly been must-watch television. Earlier this week, Barkley joked (?) that while he’s friends with Ernie Johnson and Kenny Smith, he hates Shaq. “I’m friends with Ernie [Johnson] and Kenny [Smith]. I hate Shaq. I really hate him a lot,” Barkley told Joe Buck. In reality, Barkley a…