LOCKED in a desperate battle with killer cancer, dying Love Story legend Ryan O’Neal is tormented by his shameful failure as a father and is struggling to make peace with his kids before he goes to the grave, sources tell GLOBE in a world exclusive.
Crippled and shrunken to a frail 147 pounds on his once-brawny six-foot-one boxer’s frame, the 77-year-old actor is tortured by his bitter feuds with his children — daughter Tatum, 55, and sons Griffin, 54, Patrick, 51, and Redmond, 33 — and the late love of his life, Farrah Fawcett, as he wrestled with a nightmare of drugs and infidelity, insiders say.
“He’s haunted by what might have been, and he’s racing against time to find peace before it’s too late,” an insider dishes. “He’s virtually…