POTEET, Texas — The mayor of this South Texas town is a registered sex offender who can be arrested for going to City Hall, but he still doesn't plan to resign. Mayor Lino Donato pleaded guilty last month to indecency counts involving two girls, and his plea deal required him to register as a sex offender for 20 years. But he received deferred adjudication, which isn't a conviction, so he can't be forced from office. Donato is required to stay more than 1,000 feet from places where children congregate, and City Hall is "well within 200 feet" of that limit...