A vicious gang of e-bike thugs threw rocks at drivers on a busy roadway in the Sacramento area as public officials seek to curb the growing menace. Video showed a group of young riders near a road in the city of Elk Grove, where a resident said she witnessed the them grab landscaping rocks from a walkway and hurl them at passing vehicles. “This is what the kids are doing here, throwing rocks,” the woman can be heard saying on the video shared by KCRA. Elk Grove resident Karen Vethekar told the outlet that gangs of wild riders have repeatedly…