When Katrina hit New Orleans, Times-Picayune art critic Doug MacCash jumped into reporting. “Who knew the 49-year-old art critic could tackle the hardest of hard news stories in history? Who would have guessed he’d even be there — and as a volunteer? A couple days later, nearing the breaking point and struggling to focus, MacCash would find himself interviewing Mayor Ray Nagin on a helicopter ride over the city.”