Frederic J. BROWN / AFP via Getty Images Moody's estimates the Iran war cost US households $100 billion in its first three months. Top economist Mark Zandi explains the war has more than offset the benefits of Trump's tax cuts. Zandi says the war is weighing on an "already sagging" US economy. The war in Iran has cost US households $100 billion in three months, Moody's Analytics says. Now in its fourth month, the conflict has cost nearly $750 per household. The increased cost to consumers has