Many U.S. communities, including Tacoma and other cities in Western Washington, are facing an explosion in homelessness. But Gerrit Nyland, a social services supervisor tasked with ending homelessness in Pierce County, says what many don’t realize is that roughly one-third of the unsheltered in the South Puget Sound are children, while many others are “working poor” families whose lives have been disrupted by job loss, unexpected injury, illness, or just bad luck.