Alex Curtis of publicknowledge.org says,

The House Judiciary Committee today introduced a bill (HR 4569) to close the analog hole. The government is proposing that devices (consumer electronics, computers, software) manufactured after a certain date respond to a copy-protection signal or watermark in a digital video stream, and pass along that signal when converting the video to analog. The same goes for analog video streams, to pass on the protection to the digital video outputs.

super.