The biggest program she oversaw there was foreign aid, which spent roughly $50 billion a year between 2009 and 2012. Mrs. Clinton stated in 2009 that “a lot of these aid programs don’t work,” lamented their “heartbreaking” failures, and promised fundamental reform at the Agency for International Development (AID). But “see no evil” was often the Clinton State Department motto regarding U.S. aid. The Ethiopian government received more than $3 billion in U.S. aid while Mrs. Clinton was secretary. ... Corruption has long plagued foreign aid and Mrs. Clinton claimed to be spearheading a global crusade against graft. But when...