NEW YORK (Reuters) -A man arrested in the stabbing of two employees at New York City’s Museum of Modern Art will face assault charges in the attack and a previous incident involving a former staff member, a police official said on Tuesday. Gary Cabana, suspected of the stabbing after the museum denied him admission over the weekend, was arrested in Philadelphia without incident after he was found sleeping at a Greyhound bus terminal, New York Police Department Chief of Detectives James Essig said at a news conference. The 60-year-old man will face charges of second-degree assault for the weeke…