Humans run the animal kingdom’s only criminal courts. We alone bicker over the difference between murder and manslaughter, and plumb the ethical depths of intent. Other animals still kill their own kind, but whether they do so deliberately, with any semblance of malevolence or premeditation, is up for debate—mostly because we don’t have any real way to tell.

Updated at 8:06 p.m. ET on July 20, 2021Conservatives are not necessarily vaccine-hesitant, to paraphrase John Stuart Mill, but most vaccine-hesitant Americans people are conservatives. Resistance to vaccines has been concentrated among Republican voters, and led by GOP politicians and various leading lights in conservative media.And that makes the past day or so one of the stranger stretches in recent pandemic politics.“Just like we’ve been saying, please take COVID seriously.

The American carbon tax, an alluringly simple policy once hailed by environmentalists, scholars, and politicians as a cure-all for climate change that, for all its elegance in economic models, could not overcome its enduring unpopularity with the American public, died last month at its home in Washington, D.C. It was 47.The death was confirmed by President Joe Biden’s utter lack of interest in passing it.

The release of Black Widow earlier this month was one of the biggest tests of a new Hollywood paradigm that emerged after the coronavirus pandemic began: the simultaneous rollout of a blockbuster in theaters and on streaming services. The latest Marvel movie opened in thousands of cinemas in the U.S. and Canada on the same day it was made available to Disney+ subscribers for a $30 surcharge. At first, the gambit seemed to work.

Every weekday evening, our editors guide you through the biggest stories of the day, help you discover new ideas, and surprise you with moments of delight. Subscribe to get this delivered to your inbox.If you’re feeling unnerved about the rise in COVID-19 cases in the United States, you aren’t alone. Officials in Los Angeles reimplemented indoor mask restrictions for the fully vaccinated and the unprotected alike, and even the markets got spooked about Delta today.