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Bon Jovi frontman Jon Bon Jovi will join New Jersey Governor Chris Christie today for the signing of a drug overdose law.  Christie has had a change of heart and will sign a measure that would allow drug overdose victims to call 911 without fear of prosecution. 

Bon Jovi's daughter was protected from being charged in New York state earlier this year after she overdosed on heroin. 

Christie and Bon Jovi will be at the Barnert Medical Complex in Paterson, New Jersey before Christie signs the "Overdose Prevention Act." 

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