1. A robotic system comprising: a master input device; first and second slave manipulators; and means for commanding the second slave manipulator to move in response at least in part to commanded movement of the first slave manipulator when the first slave manipulator moves in response to movement of the master input device and commanding the first slave manipulator to move in response at least in part to commanded movement of the second slave manipulator when the second slave manipulator moves in response to movement of the master input device.