A year ago, Caitlin Tulloch was working out of her spare room with little more than a laptop and a list of 22,724 names. The list was every project the U.S. Agency for International Development, or USAID, had been funding – from efforts to get clean water to communities in northern Nigeria to an initiative for tuberculosis prevention in Myanmar. That is, until President Donald Trump signed an executive order on his first day back in office last year that froze all foreign assistance. Ms. Tulloch, an economist who had spent years inside USAID evaluating which of its programs saved the most lives per dollar, understood what that meant.  Why We Wrote This When the U.S. Agency for International Development shut down, the projects it funded were left in limbo. Project Resource Optimization matches as many as it can with new donors.…