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These days, Puerto Rico's monumental power restoration effort involves helicopters dropping 100-foot towers into the mountains and a "big dance" of crews, equipment and expertise from several agencies and companies. But progress has been slow and that dance has been a complicated and tedious one on the island, which is experiencing the largest outage in U.S. history.

And sometimes it's one light forward, two lights back.

Passengers on a morning train on the Tokyo region's Tsukuba Express line might not have noticed anything was amiss Tuesday. But when their train left Minami-Nagareyama station, it did so 20 seconds ahead of schedule — and when the company noticed, it issued an apology to customers.

The train was traveling northbound on the line that connects Tokyo's Akihabara station with Tsukuba to the northeast — a trip that takes less than an hour. After passengers had boarded, the crew didn't check the time, resulting in the slightly early departure "around" 9:44 a.m., the company said.

This week, another big name in tech was toppled by accusations of sexual harassment — venture capitalist Steve Jurvetson, an investor in Tesla and SpaceX who left his prominent Silicon Valley company.

The big-money world of Silicon Valley remains dominated by men and remains a hard place for women to speak out if they want to join the ranks of its richest. And some women think the best way to fight harassment is to tread carefully and get to the top.

In the east-Bohemian city of Havlíčkův Brod, two hours by train from Prague, the Potato Research Institute is caught in the crosshairs of time.

Updated at 11:22 a.m. ET

French President Emmanuel Macron's office says that Lebanese Prime Minister Saad Hariri, who abruptly resigned earlier this month while on a visit to Saudi Arabia, has accepted an invitation to come to France. Macron's office notes that the president spoke with Hariri and Saudi Crown Prince Mohammed bin Salman before extending the invitation.

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