$奈飞(NFLX)$ Walt Disney ($DIS) is discussing the prospect of a more inexpensive ad-supported version of its Disney+ video-streaming service, The Information reports. That could give a boost to subscription growth that has moderated somewhat since launch. It would also put Disney firmly in the mainstream of recent streaming launches, as legacy media companies have worked to play catch-up to Netflix ($NFLX), the industry pioneer. FROM NE