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Using a sample of $232\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\text{ }\ensuremath{\Upsilon}(4S)\ensuremath{\rightarrow}B\overline{B}$ events collected with the BABAR detector at the PEP-II $B$ factory we study the decay ${B}^{\ensuremath{-}}\ensuremath{\rightarrow}[{K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}{]}_{D}{K}^{*\ensuremath{-}}$ where the ${K}^{+}{\ensuremath{\pi}}^{\ensuremath{-}}$ is either from a Cabibbo-favored ${\overline{D}}^{0}$ decay or doubly-suppressed ${D}^{0}$ decay. We measure two observables that are sensitive to the Cabibbo-Kobayashi-Maskawa angle $\ensuremath{\gamma}$; the …