  The interactions of gravitons with spin-1 matter are calculated in parallel
with the well known photon case. It is shown that graviton scattering
amplitudes can be factorized into a product of familiar electromagnetic forms,
and cross sections for various reactions are straightforwardly evaluated using
helicity methods. Universality relations are identified. Extrapolation to zero
mass yields scattering amplitudes for photon-graviton and graviton-graviton
scattering. The phenomenon of light bending near a massive object, which is
generally treated using classical general relativity, is discussed from
alternative points of view.
