Jamie Dimon, the CEO of JP Morgan, testified before the Senate today on the staggering losses incurred by his chief investment office, or CIO, which could hit $5 billion. You might have expected senators to force Dimon, an outspoken critic of Dodd-Frank, to eat his words and concede, in a moment of inspiring humility, that there is a place for financial regulation. You would be wrong. Hilariously wrong. He didn't just escape whipping. He assisted conservative senators in the 360-degree throttling of financial reform. He did, however, say he was sorry, for the record.

Here are 12 of the best tweets I saw from finance and macro observers during the testimony.