NEW YORK (AP).- In a clattery, uptown bistro, not far from the studio where he once watched his father paint bold abstract masterpieces, Earl Davis contemplates the greatest loss of his life. Not his beloved father, Stuart Davis, who died in 1964 when Earl was 12. Nor his father’s work, which Davis, an only child, spent three decades trying to document, preserve and showcase. Even the loss of the millions of dollars that the paintings were worth — Davis’ inheritance, swindled from him in the cruelest fashion — is not what hurts the most. The biggest loss, Davis says, was the love and friendship of the man he admired and adored, a man he trusted with everything — his confidences, his dreams, his father’s life’s work. Even now, several years after the unraveling of one of the most elaborate art frauds in history, Davis has nightmares about confronting Lawrence Salander