Foreign aid is often in the hot seat, but today the heat is cranked up especially high. The United States government, one of the world’s most influential donors, is considering dramatic cuts to health and development programs around the world. I understand why some Americans watch their tax dollars going overseas and wonder why we’re not spending them at home. Here’s my answer: These projects keep Americans safe. And by promoting health, security and economic opportunity, they stabilize vulnerable parts of the world.