POLITICO's Burgess Everett with a mega-scoop this morning: “Arizona Sen. Kyrsten Sinema is changing her party affiliation to independent, delivering a jolt to Democrats’ narrow majority and Washington along with it.

“In a 45-minute interview, the first-term senator told POLITICO that she will not caucus with Republicans and suggested that she intends to vote the same way she has for four years in the Senate. ‘Nothing will change about my values or my behavior,’ she said.

“Provided that Sinema sticks to that vow, Democrats will still have a workable Senate majority in the next Congress, though it will not exactly be the neat and tidy 51 seats they assumed. They’re expected to also have the votes to control Senate committees. And Sinema’s move means Sen. Joe Manchin (D-W.Va.) — a pivotal swing vote in the 50-50 chamber the past two years — will hold onto some but not all of his outsized influence in the Democratic caucus.”

Plus, Mike DeBonis and Rachael Bade discuss the feasibility of a so-called unity House speaker, and FDA reporter and astrology emperor Katherine Foley stops by for some birthday news.

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Raghu Manavalan is the Host and Senior Editor of POLITICO's Playbook Daily Briefing.
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