Financial disclosures are all the rage lately, and Mitt Romney's excuse for not releasing all of his reminds us of some lines we've heard before.

Personal tax disclosures arise as an issue during presidential races and nominee confirmations, when people want to know about the would-be officeholders - how much they're worth, where they've made their money, whether they have any conflicts of interest, etc.

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Every major presidential candidate in modern history has released multiple tax returns except for Romney, who has disclosed just one.

Here's a brief sampling of some of the explanations we've heard from people who don't want their forms out in the open:

Romney : "I don't even know where they are."

Tim Geithner : "I used TurboTax to prepare my returns."

Rick Santorum : "I've got to get home and get my tax returns."

Ron Paul : "I don't want to be embarrassed because I don't have a greater income."

Rudy Giuliani : "I'm not going to do more than what is absolutely required."

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