I enjoy Malcolm Gladwell's writing, and often feel I come away with fresh insights into the way the world works, as opposed to how it appears to work. But I will read Gladwell with more skepticism after reading a spectacular takedown in an unlikely blog called "Ask-a-Korean." If you have followed media coverage of the July 6 crash of Asiana Flight 214 at San Francisco Airport, you have doubtless heard speculation that Korea's culture of deference to authority, a culture deeply embedded in the Korean language, played a role in the crash. This theory owes much to Gladwell, who devoted a...