Presidents Trump and Macron. Photo: Chesnot/Getty Images

President Trump and first lady Melania Trump cancelled their trip to the Ainse-Marne American Cemetery and Memorial in France on Saturday due to "scheduling and logistical difficulties caused by the weather."

The details: The Trumps were scheduled to participate in a wreath-laying ceremony and moment of silence, the Independent reports, to commemorate the more than 2,000 U.S. soldiers that died there during World War I. French President Emmanuel Macron, German Chancellor Angela Merkel, and Canadian Prime Minister Justin Trudeau all went ahead with plans to visit World War I memorials. According to the White House, Chief of Staff General John Kelly and Chairman of the Joint Chiefs of Staff General Joe Dunford would visit in their place.

World leaders including Macron and Trudeau tweeted about their visits to the memorial.

Go deeper

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 10 a.m. ET: 19,412,292 — Total deaths: 722,066 — Total recoveries — 11,773,112Map.
  2. U.S.: Total confirmed cases as of 10 a.m. ET: 4,945,795 — Total deaths: 161,456 — Total recoveries: 1,623,870 — Total tests: 60,415,558Map.
  3. Politics: Trump says he's prepared to sign executive orders on coronavirus aid.
  4. Public health: Fauci says chances are "not great" that COVID-19 vaccine will be 98% effective
  5. Science: Indoor air is the next coronavirus frontline.
  6. World: Africa records over 1 million coronavirus cases — Gates Foundation puts $150 million behind coronavirus vaccine production.
2 hours ago - Health

Indoor air is the next coronavirus frontline

Illustration: Eniola Odetunde/Axios

A growing body of research has made it clear that airborne transmission of the coronavirus is possible.

Why it matters: That fact means indoor spaces can become hot spots. Those spaces also happen to be where most business and schooling takes place, so any hope for a return to normality will require better ways of filtering indoor air.

The silver linings of online school

Illustration: Annelise Capossela/Axios

Online learning can be frustrating for students, teachers and parents, but some methods are working.

The big picture: Just as companies are using this era of telework to try new things, some principals, teachers and education startups are treating remote learning as a period of experimentation, too.