War is not cheap, especially not the past year of Middle Eastern wars. While Israelis, Palestinians, Lebanese, and others pay with their lives by the tens of thousands, Americans are paying much of the financial cost of keeping the violence going. A new study by the Costs of War Project at Brown University pinned down exactly what that cost is: at least $22.76 billion from October 7, 2023, to September 30, 2024. The bulk of the money, $17.9 billion, was spent on U.S. aid to the Israeli military—both financial grants given to Israel to purchase weapons, and the cost of replacing munitions such …