In 2000, five men beat Mark Hogancamp so brutally he was left with no memory. Besides relearning how to eat, walk and write, Hogancamp imagined a new past . He built a detailed miniature town where he acts out World War II-era story lines using dolls. Then, he photographs them. The vignettes follow his alter ego, Hogie, a pilot who lands near the imaginary Belgian town of Marwencol. "On Second Thought" guest David Naugle, an Atlanta-based photographer and director, first encouraged Hogancamp to