BEIJING (AP) - China's premier on Sunday defended the government's deadly 1989 crackdown on pro-democracy protesters in Tiananmen Square, calling the student-led demonstrations a "very serious political disturbance" that had to be put down. In a rare, nationally televised news conference, Wen Jiabao cited China's economic advances since then as evidence the government made the right choice. He did not directly answer a question from The Associated Press about a military surgeon's petition calling on the government to admit it made mistakes in crushing the student-led protests 15 years ago. Hundreds, perhaps thousands, of people were killed. "What hung in...