A man who was brutally stabbed by Brooklyn subway slasher Maksim Gelman two years ago had his negligence case against the city dismissed in court yesterday, despite the fact that two transit officers had locked themselves in a motorman's car only a few feet from him at the time of the attack. Gelman stabbed Joseph Lozito in the face, neck, hands and head on an uptown 3 train in February 2011, after fatally stabbing four people and injuring three others in a 28-hour period. Lozito, a father of two and an avid martial arts fan, was able to tackle Gelman...