There is a nice article on the FAS site.
fas.org
The authors advocate position that 1 trillion dollars in ten years (10% of total defense budget) is too expensive. That the USA can't afford those expenses. That it eats conventional weapon programs, social expenses and environmentalists' programs.
Their numbers are, I believe, more or less correct, but what's about their understanding of the national priorities? If the USA has no ability to fight and win a nuclear war with more or less acceptable losses, it means that Russia and/or China can win any conventional conflict simply by raising stakes up to the edge a nuclear war (as it had happened in Ukraine).
Should the USA refuse to play the role of a global power, or should the USA concentrate their efforts on what is really important - on achieving ability to win a nuclear war against Russia and China simultaneously?

Costs for U.S. Nuclear Weapon Programs Continue to Spiral Out of Control - Federation of American Scientists
Nuclear weapons budgeting is like agreeing to buying a house without knowing the sales price, the mortgage rate, or the monthly payment.
The authors advocate position that 1 trillion dollars in ten years (10% of total defense budget) is too expensive. That the USA can't afford those expenses. That it eats conventional weapon programs, social expenses and environmentalists' programs.
Their numbers are, I believe, more or less correct, but what's about their understanding of the national priorities? If the USA has no ability to fight and win a nuclear war with more or less acceptable losses, it means that Russia and/or China can win any conventional conflict simply by raising stakes up to the edge a nuclear war (as it had happened in Ukraine).
Should the USA refuse to play the role of a global power, or should the USA concentrate their efforts on what is really important - on achieving ability to win a nuclear war against Russia and China simultaneously?