Pop star David Cassidy has been hospitalized in Florida and is suffering from organ failure, according to his publicist. The 67-year-old David Cassidy has previously admitted he was stricken with dementia, but no apparent cause for the organ failure has been revealed. His publicist, JoAnn Geffen, confirmed his hospitalization, noting, “he is now conscious and surrounded by family.” Reports indicate Cassidy has been hospitalized for three days and is in critical condition…