OLD DEM CAUCUS MEET NEW DEM CAUCUS: The fiery clutch of freshman House Democrats -- diverse, female and unapologetically outspoken -- isn't just making noise in Washington. The new Democrats -- symbolized by Rep. Alexandria Ocasio-Cortez (D-N.Y.) -- are pushing to change the way the nation's capital does business, challenging the old guard in ways it's not used to. And in some cases, the new Democrats are winning.

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