If you were Sam Presti, would you trade Kendrick Perkins, James Harden, Eric Maynor and your best available first-round pick for Dwight Howard? Don’t worry, Thunder fans. It’s a trick question. Dwight Howard’s not going to Oklahoma City. He’s not going to Memphis for Marc Gasol and O.J. Mayo. Or to Indiana for Danny Granger and Roy Hibbert. Or to the Los Angeles Clippers for Chris Kaman and Eric Gordon. But Howard is going somewhere, that’s for sure. In the summer, Howard – who can