Nibiru, Nemesis, 2012, and The Electric Universe
http://www.disclose.tv/action/viewvideo/5279/2012__amp__Symbols_of_an_Alien_Sky/
David Talbott opens the door to discussion of the "Saturn Theory" with this first 10-minute segment of a video overview.

The Birkland Current and the Norwegian Spiral

Einstein didn't explain gravity