  The lightest scalar and pseudoscalar nonets are discussed within the [A
framework of the broken old UxU3 linear sigma model, and it is shown that
already at the tree level this model works remarkably well predicting scalar
masses and couplings not far from present experimental values, when all
parameters are fixed from the pseudoscalar masses and decay constants. The
linear sigma model is the simplest way to implement chiral symmetry together
with the broken SU3 of the quark model, and this, not well known, success in
understanding experiment is comparable to that of the naive quark model for the
heavier multiplets. It is argued that this strongly suggest that the light and
very broad sigma resonance exists near 500 MeV.
