The Washington Post Publisher and Chief Executive Will Lewis announced Saturday evening he would depart after just two years at the paper, a tenure marked by controversy and crisis.Lewis called his time "two years of transformation" in his resignation note, but it was defined by turbulence rather than a clear path, and it ended with brutal job cuts. The paper's chief financial officer, Jeff D'Onofrio, will serve as acting CEO. More than a third of the newsroom was laid off Wednesday after Lewis' promises of radical innovations failed to staunch several years of annual losses in the tens of millions...