AUBURN, Calif. (CBS13) -- A California dad has been called a hero after knocking out a kidnapper to rescue his 3-year-old daughter. Freddie Cantrell lives across the street from Regional Park in Auburn, California, where his two girls were playing with their mother and stepfather Sunday evening. He said park is a place they used to love, but now is part of their biggest nightmare. “I got a phone call from the mother saying, ‘Hey you got to get down here quick. Somebody tried to kidnap Aubrey,'” Cantrell told CBS Sacramento. The incident unfolded in front of their 6-year-old daughter,...