A 28-year-old man was stabbed just after 1:30 a.m. yesterday.  The incident happened during a fight outside the Geisha House Bar on Kapiolani Boulevard.  Police say a witness saw the suspect lunge at the victim and the victim later realized he had been stabbed. His condition is unknown. The 29-year-old attacker was arrested shortly after.  He faces charges of second-degree attempted murder and disorderly conduct.