On 2nd try, Stone still fails to find the true Fidel.(Chicago Tribune)

Byline: Mark Caro

CHICAGO _ Oliver Stone's "Looking for Fidel" is a sequel to a movie that never was _ at least as far as the public is concerned.

The new hourlong documentary, which debuts Wednesday on HBO, features the veteran provocateur filmmaker grilling Cuba's leader about human rights. "Looking for Fidel" wouldn't have existed if not for "Comandante," Stone's 93-minute up-close-and-personal look at Castro that premiered in January 2003 at the Sundance Film Festival.

"Comandante" provoked many cocked eyebrows as Stone set aside his usual pit-bull-on-a-mission persona to appear quite buddy-buddy with the Cuban dictator. His three days and 30 hours of interviews with Castro were condensed to create a …