Children younger than 5 are among the most likely to die in drowning deaths. The Consumer Product Safety Commission says nearly 70 percent of child deaths happen when they're not expected to be in the water. Olympic ski racing champion Bode Miller and his wife, Morgan, lost their 19-month-old daughter, Emmy, in June. On the same day, Nicole Hughes lost her 3-year-old son, Levi, in a similar drowning accident. The Millers, Hughes and American Association of Pediatrics' Dr. Ben Hoffman join "CBS This Morning" to raise awareness on drowning prevention.