Economist and investor Peter Schiff has renewed his warning that rising U.S. Treasury yields present a significant threat to the American economy as the benchmark 10-year Treasury yield approaches 4.6% while national debt nears $40 trillion. Treasury yields represent the interest rates the U.S. government pays to borrow money. Higher yields increase borrowing costs not only for the federal government but also for consumers and businesses, influencing mortgage rates, corporate loans, and broader financing conditions throughout the economy. Schiff argues that continuously expanding government debt combined with elevated interest rates creates a cycle in which servicing existing debt becomes increasingly expensive. As more government revenue is directed toward interest payments, policymakers may face difficult decisions regarding taxation, public spending, or additional borrowing. Many economists agree that rising debt servicing costs deserve attention, although opinions differ regarding the severity of the risk. Some believe strong economic growth and stable inflation can offset higher borrowing expenses, while others warn that sustained high yields may eventually slow investment and weaken long-term fiscal sustainability. Investors are closely monitoring Treasury markets because government bond yields influence valuations across equities, real estate, commodities, and cryptocurrencies. Significant increases in yields often encourage investors to shift capital toward fixed-income assets, potentially reducing demand for higher-risk investments. The approaching $40 trillion national debt milestone has intensified discussions about fiscal discipline, government spending, and long-term budget planning. While there is no immediate consensus on policy solutions, economists broadly agree that debt management will remain a central issue for future administrations and Congress.