The cost of interest payments on the national debt will continue to grow as a financial burden for the U.S. over the next decade, even surpassing what the nation spends on national defense within a few years, a newly released budget analysis shows. The national debt hit $31 trillion last fall and is well on its way to $32 trillion this year. As that debt grows, the U.S. Congressional Budget Office projects that the federal government will shell out over $10 trillion in the next decade on interest payments alone. “To put this $10.5 trillion total in perspective, this means...