A deal to avert default on the national debt has given way to uncertainty and confusion concerning how much money Congress will actually appropriate for the Pentagon, a matter further complicated by U.S. aid policy toward Ukraine and ongoing internal strife in the Republican Party. Senior GOP leaders, pitted against each other via hallway soundbites and floor speeches, continue to disagree over whether Congress should stick to the fiscal year 2024 spending cap agreed to in the debt limit/spending deal...