Washington — The White House is telling agencies to prepare large-scale firings of federal workers if the government shuts down next week.

In a memo released Wednesday night, the Office of Management and Budget said agencies should consider a reduction in force for federal programs whose funding would lapse next week, is not otherwise funded and is “not consistent with the President's priorities.” That would be a much more aggressive step than in previous shutdowns, when federal workers not deemed essential were furloughed but returned to their jobs once Congress approved government spending.

A reduction in force would not only lay off employees but eliminate their positions, which would trigger yet another massive upheaval in a federal workforce that has already faced major rounds of c

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