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Kenny Chesney admits that the Boston Marathon bombing makes him consider the safety of his own shows.  The country star, who'll be performing in Las Vegas Friday and Saturday night, says he takes similar steps to protect his fans that authorities did to safeguard the race.  

Brad Paisley, who'll be launching his "Beat This Summer" tour next month, says he's amazed that people commit such heinous acts against one another, and calls attacks like the marathon bombing "cowardly."  But the country singer is also confident that those behind Monday's blasts will be caught. 

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