  The kinematical successes of general relativity are legendary: the perihelion
precession, the gravitational red-shift, the bending of light. However, at the
level of dynamics, relativity is faced with insurmountable difficulties. It has
failed to define the energy, momentum, and stress of the gravitational field.
Moreover, it offers no expression of energy-momentum transfer to or from the
gravitational field. These are symptoms of a far graver malady: general
relativity violates the principle of energy conservation.
