A city held hostage: how the LA bomb threat exposed our urban vulnerability 19 de dezembro de 2015 Artigo de Opinião Artigo de Opinião The Guardian – This week, New York and LA reacted very differently to the same bomb scare. So how does a city judge how seriously to take such threats – and is it really that easy to bring a major metropolis to a halt? Artigo de Opinião Acesse