In an echo of the Watergate hearings 35 years ago, Mr. Greenspan was asked when he knew there was a housing bubble and when he told the public about it.

听证会的气氛使人回想起35年前的水门事件国会听证。格林斯潘被问到他何时知道存在着住房泡沫以及他又是何时告知公众这一点的。

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Or is the "echo bubble" starting to leak?

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