A petition drive to get Confederate-themed clothing banned from school grounds has exposed a rift at Hollywood Hills High. The episode may lead the Broward School Board to examine whether its student conduct code should address the Confederate flag. Sophomore Ilana Hostyk started a petition this week at Hollywood Hills in hopes of pressing officials to ban the symbol, considered a show of Rebel pride by some and a reminder of Southern race-based prejudice by others. "My whole goal is to ban the Confederate flag from Broward schools," said Hostyk, 15. "People are really offended by it." Hostyk, who is...