Elon Musk discovers that serious spending cuts are 'really difficult'

Elon Musk: DOGE , the cost-cutting initiative he unofficially headed, could cut federal spending by $1 trillion .

Peter Bergen : Musk has been vague about most of its purported cuts and has exaggerated the ones it has specified.

He says Musk has acknowledged that any serious attempt to address the country's looming fiscal crisis will require hard choices and congressional action.

Bergen , Bergen and others say the project's documentation of its work has fallen far short of its promise.