Giving her the benefit of the doubt, Gloria Leahy is a fantasist. Judging her more harshly, one might say she's a compulsive liar.

At 16, Gloria discovered that her adored and adoring dad was not her dad at all. Her mother, Linda, admitted that Gloria's father was Ringo Leyden, a drummer from the band that Linda used to hang out with. Or it could have been his best friend Keith McGrath, who Linda had an affair with...