  I report results from the CLEO collaboration on semileptonic B decays,
highlighting measurements of the Cabibbo-Kobayashi-Maskawa matrix elements
|V_cb| and |V_ub|. I describe the techniques used to obtain the recent
improvements in precision for these measurements, including the use of the b ->
s gamma photon spectrum to reduce hadronic uncertainties in semileptonic B
decays.
