Articles on U.S. President

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Donald Trump is famously attached to his phone. AP Photo/Matt Rourke

How to secure a smartphone for the tweeter-in-chief

The best way to protect a presidential device is to keep it off the internet altogether. If that's not going to happen, how else can such a sensitive gadget be kept safe?
A president’s science advisor is traditionally a close confidant. AP Photo/Charles Dharapak

How does a US president settle on his science policy?

Innovation is a huge part of economic growth – and the White House needs to be well-informed on science and tech issues when setting goals and budgets. Here's how presidents get up to speed.

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