When and if she does, she’ll be rolling out arguably the most advanced and sweeping infrastructure in the Democratic field, a plug-and-play campaign that could give her a massive head start on nearly every contender in the burgeoning primary roster, with only Sens. Bernie Sanders (I-Vt.) and Kamala Harris (D-Calif.) coming close…

In the five weeks since the midterm elections, Warren has operated like a candidate.

She began interviewing national operatives for senior positions in a possible presidential campaign since before the midterms. Currently there are discussions with veteran early-state political operatives, including in Iowa, about the possibility of signing on, though no contracts have been yet signed. And if Warren moves forward with a presidential bid, she will do so with the nucleus of a team she’s trusted for years and build from there, sources with knowledge of the operation tell POLITICO.