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Here’s what you need to know:
• “We Europeans must really take our fate into our own hands.”
Even Martin Schulz, Ms. Merkel’s Social Democratic challenger in elections in the fall, rallied behind her.
Ms. Merkel will host the prime minister of India and the premier of China this week.
• President Trump called his trip to Europe a “great success for America.” Separately, he paid tribute to fallen American troops on Memorial Day on Monday, saying they “died in war so we could live in peace.”
Mr. Trump is trying to contain the fallout from reports that Jared Kushner, his son-in-law and adviser, spoke with the Russian ambassador in December about establishing a secret communications channel to the Kremlin.
Our reporters discovered that U.S. investigators are scrutinizing a meeting Mr. Kushner had later that month with a Russian financier whose bank is entwined with Russian intelligence.
• Emmanuel Macron, the new French president, promised military reprisals for any use of chemical weapons by Russia’s allies in Syria.
He spoke next to Vladimir Putin, his Russian counterpart, at a news conference in Versailles. Mr. Putin, Mr. Macron’s first international guest, pushed for the lifting of European sanctions.
The Five Star Movement, the opposition party that now leads in the polls, has called for a de facto realignment with Moscow. Above, Beppe Grillo, the movement’s leader.
Separately, information shared by Ukrainian hackers has shed light on a network of freelance pro-Russian activists across Eastern and Central Europe who are bankrolled by oligarchs.
• The MI5, Britain’s domestic intelligence agency, was repeatedly warned about the threat posed by Salman Abedi, the suicide bomber who killed 22 people in an attack in Manchester last week.
It is now investigating why it failed to act on those warnings.
The deaths of Mr. Abedi’s acquaintances and the tortuous recent past of his parents’ homeland, Libya, may have steeled his urge for revenge in the weeks before the attack.
• Can the love of soccer go too far?
Ask the people of Rome, where the retirement of one player, Francesco Totti, plunged the city into mourning.
“Today it’s hard to live in Rome,” said a restaurant owner on Mr. Totti’s childhood street.
• British Airways said it would resume its full flight schedule today, after a technical failure caused the cancellation of hundreds of flights at airports in London over the extended weekend.
• Across Europe, projects to operate self-driving vehicles are focused on utilitarian tools for mass transit that barely exceed walking pace.
• Many hotels, under pressure from home-sharing sites like Airbnb, are seeking to offer more than a place to sleep.
• Hackers increasingly seek to breach your accounts through Twitter and Facebook, not just email.
• Here’s a snapshot of global markets.
In the News
• Neither Prime Minister Theresa May nor Jeremy Corbyn, the leader of the opposition Labour Party, emerged as a clear victor in a televised debate ahead of elections next week. Her party’s lead has dropped to single digits. [The New York Times]
• In central Baghdad, a car bomb exploded outside a popular ice cream shop, killing 13 people and wounding 24. [Associated Press]
• In Tunisia, growing protests in the remote south reflect mounting frustration at the broken promises of the country’s democratic leaders. [The New York Times]
• Egypt enacted a law that imposes strict new regulations on aid groups. [The New York Times]
• In Moscow, a fierce windstorm caused by an extreme cold front killed 12 people. [The New York Times]
• Constantine Mitsotakis, a conservative former prime minister of Greece, died at 98. He was credited with starting unpopular free-market policies and improving relations with Turkey. [Associated Press]
• Justin Trudeau, Canada’s prime minister, has urged Pope Francis to visit Canada to apologize for the treatment of aboriginal children at Catholic schools. [The Guardian]
• Sleep deprivation is linked to adolescents’ behavioral and mental health problems and increases the risks that they will cause car accidents. Starting school later could help.
• Regular, brisk walks improve thinking skills in older people with a common form of age-related memory loss.
• French Open: Garbiñe Muguruza, above, who won last year, dispatched Francesca Schiavone, the 2010 winner. Kristina Mladenovic advanced, standing a chance of becoming the first Frenchwoman to win since 2000.
• Arsenal’s thrilling victory over Chelsea at the F.A. Cup final was just what the tournament needed, writes our soccer correspondent.
• And a new exhibition at London’s Victoria and Albert Museum pays homage to Cristóbal Balenciaga, the designer who inspired generations of rule breakers.
Today is the fifth day of the fifth lunar month, so let’s honor the Dragon Boat Festival.
The tradition commemorates Qu Yuan, the right hand of a ruler in what is now China’s Hubei Province during the Warring States Period (475-221 B.C.). By one account, he set up a legal code, helped the poor and advocated resistance in Chu State to the dominant Qin State.
Spies and rivals brought him down, the story goes, and the Chu king exiled him. Distraught, he wandered and composed the sorrowful “Songs of the South,” a masterwork of classical Chinese verse.
When he learned that the Qin had invaded Chu — on this day of the lunar year in 278 B.C. — he drowned himself. Supporters launched boats to try to save him, and, to keep fish from his body, dropped rice balls into the water. The Dragon Boat Festival was born.
Charles McDermid contributed reporting.
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