MIAMI — Nearly one-fourth of the students who try to join the military fail its entrance exam, painting a grim picture of an education system that produces graduates who can't answer basic math, science and reading questions. The report by The Education Trust found that 23 percent of recent high school graduates don't get the minimum score needed on the enlistment test to join any branch of the military. The study, released exclusively to The Associated Press on Tuesday, comes on top of Pentagon data that shows 75 percent of those aged 17 to 24 don't qualify for the military...