In our current time of vast and sometimes overwhelming information resources, this blog endeavors to provide brief & accurate overviews "in a nutshell" on relevant and timely topics. Each posting aims to provide in bulletized, at-a-glance form the essence of each topic with links to a concise, 2 page Background Brief for drill down to the next layer of understanding. The Briefs contain detailed references and links to support follow-up research and study at any desired level.