Justin Trudeau came to power with a new kind of politics — progressive and identity-based. In the end, it proved his undoing.

History will not remember his term of office fondly.

It would be more effective if Ubers, taxis and trucks had to pay more.

Readers discuss a guest essay about the aging of two presidents. Also: A peaceful Jan. 6; the Palestinians’ future; mind-altering drugs.

What better way to remind people of the power of vaccines than to eliminate the misery of vomiting?

Is liberalism actually dead this time?

A wine aficionado argues that the surgeon general’s warning misses this type of alcohol’s complex joy.

The self-help author Oliver Burkeman argues that the path to productivity — and peace of mind — begins with accepting your limitations.

Climate impacts are fueling the cost-of-living crisis, especially for the poor and working class.

Before I was governor of Hawaii, I saw how Robert F. Kennedy Jr. contributed to a measles outbreak in Samoa.

The fall of the Syrian regime and loss of Iranian influence opens the door for the Lebanese to finally take their fate into their own hands.

The billionaire is exploiting old atrocities to undermine his enemies.

Canadians have soured on his brand of progressivism, but voters are fickle.

Readers discuss a guest essay by a former Capitol Police officer and news articles. Also: Health coverage woes; investing in science education.

What can we expect from the president-elect?

Trump is trying to rewrite history, but history may not comply.

Biden’s cabinet looked like America, and it made the country more successful.

Physicians need to warm up too.

I believed my friend died because of me. Fifty years later, I learned the truth.

Readers discuss a proposal by some Trump allies. Also: The abuses inside prisons; stories of miracles.

Donald Trump is promising to pardon Jan. 6 rioters. But we can’t let him rewrite history.

Instead of proclaiming performative acknowledgments of Native peoples, institutions should establish strong relationships with Native nations.

Expatriation was nonetheless the making of me: liberated me, humbled me, revealed to me who I was and what I wanted my life to be.

Neither kings nor presidents nor their countries are well served if they are surrounded by sycophants and rent seekers.

A model for how to deliver for voters without getting stuck in a traffic jam — political or otherwise.

Readers disagree with an essay about factory farms.

Communities must be able to move to solid ground while remaining whole.

On “Squid Game,” the game is cruel, but life is crueler. In Season 2, a new twist introduces a kind of cruelty that feels uncomfortably close to real life.

She was a radiant star who played things her own way.