We all have nightmares, but the nightmare arson that destroyed a main building and historical archive at the Highlander School in Tennessee is real and recurring.  Historian Robin D G Kelley on why he and so many other African American or Progressive people take the latest repetition of heinous crime against this unique institution so personally. What Los Alamos Labs was to the atomic bomb, the Highlander School has been for workplace democracy, civil rights and gender equality in America.