text:  Of course, just 50 miles away was the big bear quake, 6.8. How can that be? Well, a fault line that is ready to fail doesn't need much to nudge it into action. If you have your palms pushed together with a sheer couple set up between them, it's ready to fail. And somebody comes and bumps your elbow, it's going to flip. That's right. It doesn't take much. If you had a dump truck...