'Only the beginning': Ugly warning in Sixers drama; Aussie 'opens talks' on future — NBA Rumour Mill

James Harden doubling down on his "Daryl Morey is a liar" comments seems to be just the tip of the iceberg in his fallout with the Sixers. The disgruntled star point guard — who called out Morey, the team's president of basketball, at a recent press event in China — is just getting started in his plan to make things "very uncomfortable" for the Sixers, according to ESPN NBA insider Ramona Shelburne. "Somebody said to me yesterday, 'This is only the beginning,'" Shelburne said Tuesday during an appearance on "NBA Today." "This is just the beginning of what James Harden…