Chicago’s “bubble zone” ordinance, approved in 2009, prohibits people from counseling, passing literature or protesting within 8 feet of another person when they’re within 50 feet of health-care clinics that provide abortions.But they are free to panhandle, raise money for charity, sell baseball tickets or campaign for office within similar zones, and that makes the law a First Amendment violation, a group of plaintiffs have told the nation’s top court.“This is a paradigmatic example of …