BLACKSBURG, Va. -- Eight out of 10 crashes involve drivers who are drowsy, chatting on a cell phone, applying makeup or otherwise distracted from the road ahead, according to a government study released yesterday that videotaped people behind the wheel. Reviewing thousands of hours of video and data from sensor monitors linked to more than 200 drivers, researchers found that a wide range of distractions can lead to crashes or near crashes. Reaching for a moving object while driving increased the risk of a crash by nine times, while reading or applying makeup from behind the wheel enhanced the risk...