Clinton, Trump campaign in the world made by 9/11

WASHINGTON — The shadow of 9/11 still falls over presidential politics.

Any number of topics that Hillary Clinton and Donald Trump talk about — the fight against the Islamic State, cybersecurity, troop deployments in Afghanistan and Iraq and immigration from Mexico — are byproducts of the attacks of Sept. 11, 2001.

Above all, worries about another attack and concerns by some voters that the United States remains vulnerable continue to influence presidential politics.

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