 overpass and tried to grab his hand and he slipped free and he drowned. Well, it was just two months later when the Landers quake hit on June 28th, just two days before the eclipse of the sun. All right. We don't have a lot of time for the top of the hour, but he wanted to ask you about mantle movement and tectonic theory. Well, I'm not a geophysicist nor a seismologist, and I'm willing to accept that the plates are driven by heat plumes coming up from deep down in the lower mantle