On December 2, 2011, Dr. Dore and Dr. Johnston, along with the volunteered efforts of many other Celebration Health team members and industry partners, joined forced to provide 6 pro bono joint replacements to patients facing financial hardships. Here is the story that NBC Nightly News recently aired featuring the founder of Operation Walk and what the charity does.Visit msnbc.com for breaking news, world news, and news about the economy