2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112415I review recent progress on exclusive hadronic B meson decays in the perturbative QCD approach, with focus on puzzles in the branching ratios and the CP asymmetries of the B -> pi K and B -> pi pi modes, and polarization fractions in B -> VV modes.Invited talk at Flavor Physics & CP Violation Conference, Vancouver, 2006; 5 pages, 2 figuresHigh Energy Physics - Phenomenologytext