dynamic = "influencing circumstance(s)"?

[Laurence Horn]

At 8:01 PM -0400 5/22/11, Jonathan Lighter wrote:
>CNN reports that Mitch Daniels has acceded to his family's wishes that he
>not run for president.
>
>CNN sums up his situation as a "complicated family dynamic."
>
>Not in OED.
>
Hmmm.  I thought I knew what it meant, but if so, I can't figure out
why Gingrich's family dynamic isn't too complicated for *him* to run.

LH

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