Greg Greenway of Pros-Tech prosthetics in Troy fits Joshua Duffy-Huff with extensions for his amputated legs Monday. Posavetz/Daily Tribune Joshua Duffy-Huff of County, Cork, Ireland is only 2 1/2 years old, but he's already traveled to Oakland County twice during his short life in an uphill quest to help him walk one day. A cheerful toddler with a mop of unruly dark hair and large brown eyes, Joshua returned Monday to see Greg Greenway, a Troy prosthetist who first volunteered almost two years ago to fit Joshua with prosthetic devices for his leg stumps. Joshua used his tiny thumbs to play a Nintendo game as Greenway got ready to make a cast of Joshua's lower half. read more