Warren has no interest in going to Washington to be “slow and polite,” she told me. She wants to go to fight corporate excess, because “the people who brought us the financial collapse have now doubled down” by resisting attempts to re-regulate business.

“The idea of going to the Senate to be the hundredth least senior person in a nonfunctional organization is not what attracts me,” she said. “I see going to the Senate as an opportunity to expand the platform” and as a way of “leading the charge.”

That’s a good thing and a bad thing. Bad, because it means Democrats are beginning to embrace the Tea Party notion that Washington should be a place of polarization and warfare. Good, because it means Democrats will no longer play by Marquess of Queensbury rules while their opponents disembowel them.

For better or worse, Warren’s fighting ways are more successful than Obama’s in generating enthusiasm.