EmbedVideo(6418, 482, 304); "Covering Watergate," a PBS NewsHour special report, will air May 17. Forty years ago, in the summer of 1973, Robert MacNeil and Jim Lehrer led public broadcasting's gavel-to-gavel coverage of the Senate Watergate hearings -- co-anchoring…

Unfinished homes sit empty on an abandoned housing development in Keshcarrigan, Ireland. Photo by Aidan Crawley/Bloomberg. Ireland was once one of the poorest countries in Western Europe. Then it went on a tear, became "The Celtic Tiger," and was…