War Decisions in the Late 1990s by Partial Congressional Declaration

The great surprise in actual war powers decision making of the late 1990s has been the emergence of a practically decisive, yet constitutionally unexplored paradigm: "partial" congressional declara- tion of war.' Presently, the Senate and the House seem to have the function of deciding on warlike action through unmatched, "partial" declarations; just how constitutional can this be?