The story of an unexpected gift for NPR

There's heartwarming story that's circulating in the blogosphere about a homeless man from Phoenix who passed away and left a $4 million estate. His name, Richard Leroy Walters, can be heard on funding credits that began airing on public radio last month: "Support for NPR comes from the estate of Richard Leroy Walters, whose life was enriched by NPR, and whose bequest seeks to encourage others to discover public radio." All Things Considered host Robert Siegel uncovered the story of Walters' life and the gifts he bequeathed. You can read or listen to it here.