James Harden was arrested early Saturday morning and charged with the unlawful carrying of weapons ... TMZ has learned. The arrest went down in Texas ... and according to authorities, he was caught with a handgun in his vehicle. It was allegedly in plain sight and not being carried in a holster. His charge is a misdemeanor. Harden was released on bond, and he has a court date scheduled for June 22. His bond terms ban him from possessing any firearms, ammunition, or other weapons, and from using,