This is a group for writers who want to master powerful strategies to write better. The organizer, Charles Euchner, is a former teacher and administrator at Yale and Harvard and the author of a number of acclaimed works on politics, sports, civil rights, and more. The approach: Euchner has developed what he called a "brain-based system" for writing well. What's that mean?  It means that if you understand how the brain works -- how the brain gets engaged or confused, what makes it excited or bore …