Obama directed the Defense Department and other national-security agencies to slash $400 billion by 2023. But in the closed-door talks to raise the debt ceiling, larger Pentagon funding cuts have been seriously discussed, several sources said, putting the number between $600 billion and $700 billion over a decade…

Sources told The Hill recently that GOP negotiators are ready to break with recent Republican ideology by trading large defense cuts for not raising taxes as part of a debt-ceiling deal.

“Robust defense spending and lower taxes have been two hallmarks of the Republican Party for years,” one former GOP House staffer said. “And those two things are going to be in direct competition with one another” in the debt talks.