While President Trump projected confidence, the White House was haunted during the latest round of tariff turmoil by the possibility of a “bond market death spiral.” Having worked as a venture capitalist before entering politics, Vice President J.D. Vance had previously regarded the phenomenon as one of his greatest concerns. A plunging stock market took center stage, but it was another sell-off that alarmed Wall Street. Ahead of the tariff deluge, investors offloaded government securities, sending the yield on Treasury bonds ever higher. Amidst the trade uncertainty, the 10-year Treasury bond climbed to 4.51% while the 30-year hit 5% –...