Nashville residents rescued from flash flood; Missouri flood uproots mobile home; California’s Silver Fire explodes out of control; Amber alerts in four states for missing kids, murder suspect; Minnesota Powerball winner found out he won at work; Car black boxes provide crucial accident data; FBI reopens kidnapping case from nearly 50 years ago; Karen Black, Oscar-nominated actress, dies at 74; Oprah, Clinton and 14 others earn Presidential Medal of Freedom; Nightly viewers respond to Heart Heroes.Aug. 9, 2013
