  We report on the physics potential of a proposed conversion of the CESR
machine and the CLEO detector to a charm and QCD factory: ``CLEO-c and CESR-c''
that will make crucial contributions to quark flavor physics this decade, and
may offer our best hope for mastering non-perturbative QCD, which is essential
if we are to understand strongly coupled sectors in the new physics that lies
beyond the Standard Model.
