By the time the police took him away, Garratt Kennedy had already been at war for months with his landlord, a new owner who was trying to turn the gritty Hell’s Kitchen SRO Kennedy called home into a slick Times Square hotel. Kennedy is 59 and had lived in his cramped, 100-square-foot, rent-stabilized SRO room for more than 25 years when the owner began tearing the place up, ripping out the staircase and blocking access to a shared bathroom on his floor.