The US national debt has reached a new milestone, now standing at $40 trillion. This record high is attributed to various factors, including defense costs and social programs. Additionally, interest on the deficit has also played a role in the debt surpassing this threshold.

Further details on the national debt and its implications are available. The factors contributing to the debt, such as defense costs and social programs, highlight the complexity of the issue. More information on the US national debt and its current state can be found through additional reporting, providing a more in-depth look at the situation and its potential effects.