Finance: Electric cars are eerily quiet — and US regulators are worried this could make them dangerous

Electric cars are quieter than their gas-powered counterparts, which can make it more difficult for pedestrians to notice them when they’re driving at slow speeds. US regulators will require hybrid and fully-electric vehicles to make sounds when driving up to 18.6 mph by September 2020.

Strategy: The process Jeff Bezos used to interview job candidates before he was a CEO became the way Amazon decided who got the job

Amazon’s hiring process was first based on the way CEO Jeff Bezos used to assess candidates when he worked at D.E. Shaw. Interviewers threw out tricky brainteasers and watched how the person tried to solve them.

Strategy: Trump is hosting his first state visit in office — take a look back at how the elaborate diplomatic tradition became what it is today

Trump is hosting French president Emmanuel Macron for a state visit, a part of important diplomatic tradition in the US. From the king of Hawaii to the queen of the UK, here’s a look at how the US feted some international leaders throughout history.

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