We already spend 20% of the budget (and growing!) on interest payments and the median voter has demonstrated that he would send his neighbors to the camps if you promised him it'd reduce inflation by 0.005%. The reserve currency buffer is shrinking.
What is wrong with all these people saying "America is cooked because of the deficit"? We're not Greece. We're not China or Japan. People will call you an MMTist if you say this but America is in the position of being able to spend as much money as it wants (reasonably) with basically no downside