Sinema has given no assurances to colleagues that she’ll vote along party lines in the so-called “vote-a-rama” for the $740 billion bill next week, according to people familiar with the matter.

The vote-a-rama process allows lawmakers to offer an unlimited number of amendments, as long as they are ruled germane by the Senate parliamentarian. Senators — and reporters — expect a late night…

Not only is Sinema indicating that she’s open to letting Republicans modify the bill, she has given no guarantees she’ll support a final “wrap-around” amendment, which would restore the original Schumer-Manchin deal…

Schumer and Manchin also inserted the language on taxing carried interest as regular income, which would raise approximately $14 billion, knowing full well that Sinema never agreed to it. That move blindsided Sinema.