The Britney Spears Live from Las Vegas ads assaulted the Big Apple for weeks, amidst the post 9.11 trauma and heartbreak. To mimic the question penned on one ad poster, can we afford this anymore? The message this scantily clad teen offers in a time of war is uncertain, but several NYC subway riders didn’t hesitate to express their thoughts. Britney Underground takes you on a tour of poignant urban artistry in a time of crisis. All the way from the New York City subway to your personal computer...ENJOY! Click the numbers to see photos...