Steve Bannon, the engine and soul of President Trump's hard-edged approach to his first months in office, is increasingly isolated and will be forced out unless he can adopt a more cooperative approach, a top source told me.

On both style and substance, Bannon got crosswise with Jared Kushner and Ivanka Trump, who are pushing for a more competence- and results-driven focus for the West Wing.

In their view, Bannon is too inclined to want to burn things down and blow things up. They want a more open process driven by the interests of the president, not ideology.

A senior official said Chief of Staff Reince Priebus is "with the program" of a more inclusive style, and will stay. Insiders have been feverishly discussing possible replacements and Trump considered a change, but the official said: "Reince is staying."

The latest from the "Game of Thrones," on location in Mar-a-Lago this weekend: