Readers discuss President Trump’s claim that he has the right to conduct the extrajudicial killing of alleged drug dealers. Also: Crime trends.

Many residents are willing to endorse or participate in violent resistance.

The president has ordered up an incomplete and self-serving version of American history.

A sign of the folly of Trump’s trade policy is that it has inspired no apparent envy among other nations.

It’s about more than figuring out the right or wrong answers to questions.

For one thing, Americans get new cancer drugs way before Europeans.

I don’t think the left grasps reality in all its fullness.

There may never be a better moment for China, Iran, North Korea and Russia to challenge the U.S.-led global system.

Fred Pressman respected no brand as much as the ultimate brand: quality. And that, Giorgio Armani delivered in spades.

Unlike his combative exchanges with senators about vaccines, Robert F. Kennedy Jr. was conciliatory and accommodating about agriculture interests.

The Trump administration seems to be betting that Americans are so inured to the war on terrorism that they’ll be indifferent to extrajudicial executions.

Here’s what I did on my summer vacation.

Here’s what I did on my summer vacation

Readers respond to articles about Health Secretary Robert F. Kennedy Jr. Also: The power of a thank-you note; preventing cannabis poisoning in children.

Epstein’s victims won’t let Trump push their story aside.

There is a Goldilocks solution here.

Is there a way for them to get rid of the scarlet L for loser?

Our biggest adversary is waiting for the West to collapse.

Our biggest adversary is waiting for the West to collapse.

As a parent and congressman, I do not want my children’s brains to be programmed by corporations.

Our research shows that many of the strongest bonds come not from any amount of similarity, but from playful banter.

Teenagers are being recruited for one-off covert attacks behind enemy lines.

Readers offer analysis and advice about the Democrats’ plight. Also: An Israeli’s heroism.

Health has become polarized by the Trump administration, which shares an ethos with “The Biggest Loser,” including an obsession with personal responsibility.

Without trust between America and China on A.I., the risks extend far beyond their borders.

Building bigger A.I. isn’t leading to better A.I.

The city embraced new technology without much thought to the consequences — and regretted it.

What comes next?

The conviction of the transitional prime minister in Chad is emblematic of how democracy is eroding across northern Africa.