  We review several methods for determining the Kobayashi-Maskawa phase
$\gamma={\rm Arg} V^*_{ub}$ from rate and CP asymmetry measurements in hadronic
B decays. We focus on the processes $B\to DK, B_s\to D_s K$, and on charmless
decays to two light pseudoscalars and decays to a pair of a pseudoscalar and a
vector meson. Theoretical uncertainties underlying these methods are discussed.
