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Poor, poor, powerless little Wall Street is having itself a tantrum today over mean old Lizzie Warren, who took her (rhetorical) ax and gave the banker boys 40 whacks:

Sen. Elizabeth Warren's (D-Mass.) meeting with bank regulators Thursday left bankers reeling, after the politician questioned why regulators had not prosecuted a bank since the financial crisis.

At one point, Warren asked why big banks' book value was lower, when most corporations trade above book value, saying there could be only two reasons for it.

"One would be because nobody believes that the banks' books are honest. Second, would be that nobody believes that the banks are really manageable. That is, if they are too complex either for their own institutions to manage them or for the regulators to manage them," she said.

That set off angry responses to Politico's Morning Money. "While Senator Warren had every right to ask pointed questions at today's Senate Banking Committee hearing, her claim that 'nobody believes' that bank books are honest is just plain wrong," emailed a "top executive" to the financial newsletter. " Perhaps someone ought to remind the Senator that the campaign is over and she should act accordingly if she wants to be taken seriously."

Oh noes! The Very Serious People are warning her that she won't be taken Seriously!

The anonymous emailer said Warren was being as "extreme" as fellow freshmen Sen. Ted Cruz (R-Texas) who asserted Tuesday without evidence that secretary of defense nominee Chuck Hagel may have received money from "extreme or radical" groups.

Let's see: One of them spouts the right wing's bullshit talking points, and the other one tells The Truth. Yeah, I can see why you might get confused.

In an email, a GOP bank lobbyist said, "Republicans also would like to know why the Democratic donor base has avoided trial. Maybe she should subpoena the DSCC and Obama's super PAC to answer her question."

Consumer Bankers Association CEO Richard Hunt was slightly more diplomatic. "We have been through more tests and thorough exams than any college student over the past four years, including many conducted by the CFPB. The results of the Hamilton Partners Financial Index and the testimony of OCC Comptroller [Thomas] Curry were very clear: the United States banking system is safe and sound, supported by historic and permanent capital ratios. We are working every day to fulfill the financial needs of the American consumer and small business and will continue to work with any and all lawmakers who seek to assist in this extremely important process."

Hmm. Let's ask Matt Taibbi, shall we? Matt?

Bankers and other financial interests have opposed Warren as she rose from being a Harvard University law school professor to a Massachusetts senator. They opposed her permanent nomination to the Consumer Financial Protection Bureau, which she created. After Senate Republicans said that they would filibuster her nomination, she ran for U.S. Senate in Massachusetts. Wall Street donated heavily to her opponent, former Sen. Scott Brown (R-Mass.), but she won the seat. Warren became a member of the Senate Banking Committee, despite further heavy opposition from banking lobbyists.

No matter what they throw at her, she comes right back! She's the Thing That Wouldn't Die!

Seriously: At some point, we might have to take up a collection to buy her a private plane. You know how these stories usually end.