Here’s Why It Could Take Days for Flights to Return to Normal

With hundreds of planes out of position and crews out of hours, restarting the nation’s flight system is no easy task.Travelers at George Bush Intercontinental Airport in Houston on Saturday, the day after a nationwide ground stop snarled air travel.

N Niraj Chokshi

How Some Flights Were Exempt From the Ground Stop

Dozens of international flights departed from the United States during Friday’s nationwide ground stop. Some planes also left for Hawaii from the West Coast.Despite widespread cancellations across the country on Friday, some flights were able to depart.

E Emmett Lindner

Nvidia Scandal Prompts Questions of What It Means to Be a Spy

U.S. intelligence agencies believe a woman who had an affair with Jensen Huang was a Chinese asset. But there is much more that they are still assessing about her role.There remains much that intelligence agencies are assessing about Alice Huang, whose relationship with Jensen Huang has come under i

J Julian E. Barnes, Maggie Haberman and Jonathan Swan

What’s Behind the Trump-Huang Relationship?

President Trump’s show of support for Jensen Huang as he was under fire was a remarkable moment in a relationship that barely existed two years ago. Our White House correspondent Maggie Haberman explains how Mr. Trump came to see Mr. Huang as a modern-day Henry Ford.Jonathan Ernst/Reuters

M Maggie Haberman, John Pappas, Gilad Thaler, Thomas Vollkommer, James Surdam, Edward Vega and Nikolay Nikolov

Tech Leaders Rally Behind Jensen Huang

In social media posts and letters to Nvidia’s board, Mr. Huang’s billionaire peers described him as a singular leader who could not be replaced at Nvidia.“Jensen drove supply chain brilliantly at Nvidia, but many of those deals were a handshake with Jensen, not a written contract,” Elon Musk said of

K Kalley Huang

After Relative Silence, Joe Rogan Said MAGA Has Lost the “Podcast Bros”

The nation’s top podcaster addressed the midterm election results, days after declaring that he thinks politics is “gross.”Joe Rogan, the popular podcaster, weighed in on the midterm election results on Friday, but his relative silence until then was surprising given the level of influence he and ot

J Jesse McKinley

How the University of North Carolina Tried to Avoid Trump’s Wrath

The University of North Carolina’s chancellor tried to protect the school from the Trump administration. Work on cancer, suicide, AIDS and coronaviruses was hit anyway.Students crossing the campus of the University of the University of North Carolina at Chapel Hill in September.

A Alan Blinder, Stephanie Saul, Irena Hwang, Benjamin Mueller and Mike Belleme