The Youtube of the audio from John Gibson’s show below that has Ferraro talking about how Obama wouldn’t be where he is unless he was black.  That’s not the quote everyone is talking about. They are talking about this article in the Daily Breeze

She said it entirely independently on John Gibson’s radio talk show on February 26th.  And John Gibson called her on playing the race card:
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John Gibson calls her on racism.  John Gibson!

So she seems to have been saying it relatively freely around that time.