In her review of The Great Mortality — John Kelly's new book about the Black Plague — Michiko Kakutani embraces the power of metaphor:

On the tsunami of other social changes wrought by the Black Death, Mr. Kelly is more persuasive - if decidedly derivative, echoing what many scholars before him have observed.

Far be it from us to get overly-sensitive, but are we ready for the tsunami as non-punny figurative language? Especially when it's in regards to another instance of mass death? Just seems a little ill-timed.
[Then again, Haber and I are on the rag — you know we sync — and we've been watching Lifetime movies all day, so our judgment might be a little off.]

A Death-Bringer That Ushered In A New Way Of Life [NYT]