Podcast: America's foreign policy challenges are evolving rapidly

Each day in America as late morning approaches, families of service members stationed in the Middle East probably grow nervous as nightfall nears seven time zones away. On military bases or aircraft carriers, pilots are fueling up and taking off for missions over Iran. In countries across both sides of the Persian Gulf, civilians await the terror of missiles and bombs whistling through the darkness.

Back home, a mother worries about her son in his plane. A spouse, with a young child, worries about their service member while balancing the everyday stresses of holding a family together. At night, the seriousness of war emerges, and the distant drumbeats pound amid the silence.