Wow, really?

Via Politico:

The Obama campaign just blasted out advance excerpts of Joe Biden’s speech this afternoon to the National Council of La Raza, which features a haymaker of an attack on Romney’s taxes and his position on immigration:

“When his father, George Romney, was a candidate was for President in 1968, he released 12 years of tax returns because, as he said, ‘One year could be a fluke, perhaps done for show.’

“His son has released one year of his tax returns.

“Making a lie of the old adage: Like father, like son.

“Mitt Romney wants you to show your papers, but he won’t show us his.

“So many questions…”

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