awaiting an organ transplant, dave bennett's operation could help change the lives and ease the suffering of so many. pictured here with the man who led the operation, mr bennett is now breathing on his own without a ventilator. having called the operation a shot in the dark, the hospital says he is now looking forward to being released from their care and reunited with his dog, lucky. david willis, bbc news, los angeles. our medical editor, fergus walsh is with me. i don't know where to begin is mind—boggling. it is i don't know where to begin is mind-boggling-_ i don't know where to begin is mind-boa rulin. , . , ., mind-boggling. it is a big moment which has taken _ mind-boggling. it is a big moment which has taken decades _ mind-boggling. it is a big moment which has taken decades of- mind-boggling. it is a big moment i which has taken decades of planning, this is transplantation, taking transplant organs from animals into humans and pigs are the ideal candidates, in this case, the big concern was hyper acute rejection, sudden rejection and what they did was they knocked out four pig jeans