Yesterday I reread William Finnegan’s 2006 “Blank Monday”¬†article for the New Yorker, all about Grubby Clark and the fabled Clark Foam implosion. So good. I’d nearly forgotten about the “Blank Monday” piece; it was like finding a 7,000-word chunk of Pulitzer under the couch cushion. One of the things Finnegan does incredibly well is illustrate,…