NATO expels 7 Russian officials and refuses to accredit 3 others

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26 countries have now joined Britain in expelling diplomats after Salisbury poisoning. 3 Australian cricketers sent home from South Africa in ball tampering row. Report from Acapulco -- in Guerrero -- one of the Mexican states worst affected by drug violence. And we remember Linda Brown - made famous by "Brown vs Board of Education" 1954 landmark ruling. (Photo: Jens Stoltenberg, NATO Secretary General; credit - EPA/Olivier Hoslet).