  We propose a scenario where the pattern of the recently observed
charge-dependent azimuthal correlations can be understood qualitatively. This
is based on the cluster picture and the assumption that the charged hadrons
that flow outward from the surface of the overlapping region of the colliding
nuclei move primarily parallel to the reaction plane. We also point out the
there is a strong electric field induced by the transient magnetic field during
the parton production in the initial phase of the relativistic heavy-ion
collision and discuss its possible relevance to the scenario.
