By The Associated Press
THE CALL: Family-centric groups in 13 states are calling on Congress to block states across the nation from legalizing Internet gambling.
THE REASON: They say societal costs will far outweigh the benefit to tax coffers.
THE BACKDROP: The U.S. Justice Department ruled in December that in-state online bets not involving sports teams do not violate federal law. That has touched off a race by cash-strapped state governments to try to legalize Internet gambling.
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