April 1, 2013 5:26 pm Exercise Balls Replace Chairs in the Classroom The entire Garland Independent School District is ditching traditional classroom chairs for exercise balls in hopes of getting students to pay more attention in class. US & World Videos 3:15 NSC reviewing cease-fire proposal: ‘I don't know that it gets any more sensitive than it is right now' 2:23 Climate change is moving Tornado Alley and driving more tornado outbreaks 1:41 Trump fined additional $1,000 for gag order violation and threatened with jail 0:53 Man attempts to shoot pastor during church service 3:28 Boy, 4, found dead after being swept away by floodwaters in North Texas