Star Wars" actress Carrie Fisher admitted Monday to taking cocaine on the set of "The Empire Strikes Back", saying she didn't even like the drug but was intent on getting high. The Princess Leia actress, now 53, said her life had been defined by addiction, with stints in psychiatric hospitals and rehab clinics -- even the emergency room with an overdose. ... "We did cocaine on the set of 'Empire', in the ice planet,"...she said while visiting Sydney for her "Wishful Drinking" stand-up comedy show. ... Fisher said she ultimately came to realise how dangerous her habits were. "Slowly I...