Suddenly, the world's become a frightening place for tourists. But I fear this is just the start

A Russian airliner explodes over the Sinai desert, killing 224 people. The White House and Downing Street believe that agents of the extreme Islamist sect ISIS planted a bomb on it.

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We see photos of innocent Russian passengers who were killed, just as last year we saw images of Western European holidaymakers who had been aboard Malaysia Airlines Flight MH17, shot down over Ukraine by a Russian missile. The world's politicians struggle to identify a response, far less a panacea. More...