SCRANTON - Brandon J. Piekarsky will spend his 19th birthday behind federal prison bars after a jury on Thursday convicted him and his friend, Derrick M. Donchak, of a hate crime for participating in the fatal beating of an illegal Mexican immigrant in Shenandoah. In a case that has attracted international attention, the all-white jury of six men and six women found Piekarsky, 18, of Shenandoah Heights, and Donchak, 20, of Shenandoah, guilty of violating the federal Fair Housing Act by assaulting Luis Eduardo Ramirez Zavala. Donchak and his parents sobbed, and Piekarsky grimaced, as federal marshals handcuffed the pair...