A lazy, sun-dappled August breeze rustled the broad leaves of the maple tree shading Song Café on Chartres Street. It was a quiet Sunday at midday and only two people sat in the silent coffeehouse as Shannon McNally strode through the door, her shoulder length black hair pulled up offhandedly in a bun. After a warm greeting from a familiar face behind the counter, she ordered an iced coffee and a small cake and sat down with a broad smile. Shanno...