A 4-year-old penguin named Lucas has lesions on his feet due to a chronic condition known as "bumblefoot." It makes Lucas haves a range of foot problems, the San Diego Wildlife Alliance said. If left untreated, bumblefoot could lead to sepsis and death by infection. But now, this member of San Diego Zoo's African penguin colony has been fitted with orthopedic footwear to help him deal with the degenerative foot condition. Thera-Paw created custom shoes to prevent pressure sores from developing w