STOCKTON — When Hy Cohen was 24, the same loose dog made it a habit for nearly a year of attacking his guide dog, Layla, when he took her for walks in their suburban Seattle neighborhood.Cohen, who has been legally blind since birth, sought assistance from the police and from animal control, but the agencies always had excuses for not cracking down on the loose dog’s owner.“I got tired of excuses,” Cohen recalled earlier this month.So [...]