Taking QuestionsAsk About the BagelMaria Balinska, the author of “The Bagel: The Surprising History of a Modest Bread,” responds to readers.Biography »First Set, Sept. 2 »Ask a question »Following is the second set of answers from, Maria Balinska, the author of “The Bagel: The Surprising History of a Modest Bread” (Yale University Press, 2008). Where do you think “heart” comes in during the bagel baking process?I believe that’s what sets “artisan” bagels from all the rest, and I don’t think it