North Korea’s expanding nuclear program is approaching a scale that could challenge the United States’ ability to defend against a missile attack, according to Bloomberg. Citing intelligence estimates and expert assessments, the Bloomberg report warns that Pyongyang is steadily increasing both its stockpile of nuclear warheads and the systems designed to deliver them. JOIN US ON TELEGRAM Follow our coverage of the war on the @Kyivpost_official . South Korean President Lee Jae-myung said in late