Facebook is an advertising medium that’s now dangerously easy to weaponize. There's a company that's very effective at this, having worked on Brexit and the Trump campaign, and which has a key board member — Stephen K. Bannon, the head of Breitbart News who is set to be Donald J. Trump's chief strategist in the White House.

Sensitivity to environmental and cultural values, on display in Montana.

“What does it feel like to be the country’s most famous illegal?”

Terrifying, writes Jose Antonio Vargas.

The mathematician Norbert Wiener founded the science of cybernetics in 1948 with a warning: Intelligent machines can wreak havoc on civilization — and perhaps even snuff it out — if we fail to handle them with humility and care.

A Reddit community called The_Donald is home to copious Islamophobia, trolling of liberals and near constant bashing of Hillary Clinton — and it's gaining subscribers.

Facebook won't help improve society if its founder, Mark Zuckerberg, continues to let liars and con artists hijack the platform.

A man associated with white supremacy and misogyny will be White House chief strategist; a man rejected for a judgeship because of alleged racism will be attorney general; and an Islamophobe who has taken money from Moscow will be national security adviser.

No, this is not satire, writes Nicholas Kristof.

On music and death: We asked readers to tell us what music they would choose to die to, inspired by an essay in Sunday Review http://nyti.ms/2eReeUm. Here's a roundup of some of the submissions.

A poll expert and the founder of the Princeton Election Consortium examines how he was so confident in his election prediction that he bet on it — and lost.

The Supreme Court decision that upheld the internment of people with Japanese ancestry during World War II is part of the “anti-canon,” a body of cases that lawyers treat as exemplars of bad legal decision making.

Gail Collins is talking about Donald J. Trump's courtesy phone calls today, people. (It’s the most cheerful thing we’ve got.)

Knott County lies in southeastern Kentucky, deep in Appalachian coal country. When I was there 15 years ago, I could taste the coal in the water. Today you still can.

Michael Flynn has earned a reputation for hotheadedness and poor judgment. Americans of all political backgrounds should be alarmed that he will be Donald J. Trump’s national security adviser.

Northern England is a land of peaks and troughs, often desolate and heather-covered, but always beautiful. This rugged terrain is the spiritual home of fell running, and the sport has not moved far from its rural roots.

Donald J. Trump ran a presidential campaign that stoked white racial resentment. His choice for attorney general — which, like his other early choices, has been praised by white supremacists — embodies that worldview.

If you or someone you know has been a victim of a hate crime or harassment, here are some resources to help.

"Our institution has had the honor of being associated with great American politicians and leaders. Steve Bannon does not deserve a place alongside them on the mantle of Harvard Business School’s legacy," write 650 women who are graduates or current students representing 35 different class years at Harvard Business School.

For the sake of preventing a clueless conventional wisdom from taking hold, let’s consider the other white people — those that rejected Donald J. Trump by huge margins.

After the ugliest campaign in recent memory, would any woman in her right mind want to run for president again?

Short answer: Yes.

Long answer: Some will be discouraged.

A lesson from Italy for Democrats: Treat Donald J. Trump as an ordinary opponent. Focus on the issues, not his character.