A former Highland Park attorney, who portrayed himself in advertisements as a superhero called “Excuseman, pleaded guilty in Cook County Circuit Court to stealing more than $1 million from his clients.Jordan L. Margolis, a former workers’ compensation and personal-injury lawyer, was indicted by the Cook County State’s Attorney’s Office in April 2016 on 36 felony counts that included theft of more than $1 million and theft by deception of more than $1 million. In exchange for Margolis pleading guilty …