The most popular baby names in the US are Sophia (for girls) and Jacob (for boys), according to the Social Security Administration's new list of top 2011 baby names. But if history is any guide, it won't take long before Sophia goes the way of Barbara (No. 764).
The crime rate for serious crimes, including murder, rape, and assault, has dropped significantly since the early 1990s in part because of changes in technology and policing, experts say.
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