Prisoner wants to donate his second kidney

A convicted felon's offer to donate his remaining kidney to his ailing daughter has raised difficult ethical questions in California. David Patterson, aged 38, first donated a kidney to his estranged daughter, Renada Daniel Patterson, in 1996.

Renada was born with congenital renal anomalies and received a cadaveric renal transplant at age 5. When that kidney was rejected, her father's kidney was found to match and was transplanted. But now, that kidney too is failing. David Patterson, who is serving a 13 year term for burglary and heroin possession, wants to replace Renada's failing kidney …