Incredible story of two sets of twins switched at birth

Stranger than fiction!  http://www.cnn.com/videos/world/2015/07/10/two-sets-of-twins-switched-at-birth-silverstein-intv-nr.cnn

One twin in each set was switched, so went home with the wrong parents and was raised with the wrong twin brother--grew up not knowing about the switch...Until.... Read the story.  Amazing.   Now the two sets of twins, reunited with their correct twin brothers, all live together.