Valve Part 1: Unlikely Heroes (w/ Gabe Newell Interview)

From Half-Life to Left 4 Dead 2, Valve has been one of the trailblazers in the video game industry. In this first episode of our retrospective, watch and see how two guys from Microsoft, with no entertainment experience, founded a gaming company at huge personal risk -- and ended up with one of the defining games of the medium gabe newell.