David Frum

The Grenell Mystery

05.02.12 1:12 PM ET

Can it be possible that the real reason the Romney campaign sidelined foreign policy spokesman Richard Grenell—leading to his damaging decision to quit barely two weeks into his new job—was that the campaign had second thoughts about his vituperative Twitter feed?

The Twitter feed had been there all along. Did it really not get it read until after the fact? Or did the campaign fail to foresee that the new spokesman's old record could be used against him?