Where does U.S. foreign aid go and does it make an impact?

The U.S. has long been one of the world's largest donors of foreign aid. But in recent years, its effectiveness has been called into question by a chorus of critics who say the impact of assistance programs falls well short of their intended goals. They blame what some have called the "aid industrial complex." Fred de Sam Lazaro reports for his series, Agents for Change. PBS News is supported by - https://www.pbs.org/newshour/about/funders