Two RNC sources familiar with the effort said the committee — with the assistance of state Republican parties and the Trump campaign — has been in touch with most of the GOP electors multiple times, and has concluded that only one is a risk to cast a vote against Trump on Dec. 19, when the Electoral College meets.

The RNC’s elector head count, the sources emphasized, is standard practice in presidential election years. But this year it also serves as an early-warning system for potentially wayward GOP electors amid an intense push by Democratic electors to convince 37 of their Republican counterparts to jump ship. The Democrats are hoping that dozens of GOP electors — many of whom were picked at local conventions and party meetings dominated by Trump’s opponents — are already primed to resist Trump.

“The state Republican parties in the states that went for Trump are heavily invested in this process,” said one of the RNC sources. “It’s a matter of personal pride for a state party chairman and a state party to ensure that all the electors that their people elected vote, and vote in the manner in which they’re supposed to.”…

Aside from the laws designed to rein in “faithless electors,” the forces arrayed against an Electoral College revolt are formidable. The Republican electors hail from the states were Trump won the popular vote and, in interviews, many said rejecting the will of the voters in their state would be unthinkable. Most are also longtime party loyalists, selected by state GOP leaders for the sole purpose of confirming Trump’s election, which means violating that expectation would all but assure permanent excommunication from the party.