For a Longer, Healthier Life, Share Your Data Privacy protections are standing in the way of artificial-intelligence programs that could diagnose cancers and screen for genetic disorders. Read More…

An Old Scam With a New Twist If you have gotten a message from someone who claims to have dirt on you — and shows off, as proof, a password you’ve previously used — here’s what happened. Read More…

House Democrat Demands Six Years of Trump Tax Returns From I.R.S. The House Ways and Means Committee chairman, using an obscure provision in the tax code, formally demanded President Trump’s personal and business tax returns, most likely starting a momentous fight. Read More…

Freezing Credit Will Now Be Free. Here’s Why You Should Go for It. A year after the Equifax security breach, most people have not frozen their credit records. Consumer advocates recommend freezes to foil identity theft. Read More…

To Cover China, There’s No Substitute for WeChat Li Yuan conducts much of her work on the WeChat mobile app, including spotting trends — and prodding sources to get back to her. Read More…

Gillibrand Discloses 2018 Taxes, Pushing 2020 Rivals to Follow Suit Senator Kirsten Gillibrand disclosed earning $218,000 in 2018 through her salary and a book deal, and urged rival Democrats to reveal their finances. Read More…

I.R.S. Memo Undercuts Mnuchin on Withholding Trump’s Tax Returns A draft legal memo written by agency staff members said the president must use executive privilege to block congressional requests. Read More…

Staying Plugged In (for Hundreds of Miles) on the Campaign Trail With midterm elections looming and candidates exploiting more tools to reach voters directly, Sydney Ember, a politics reporter, makes sure her phone stays charged. Read More…

What Students Are Saying About: Controversial Murals, ‘Senioritis’ and a 17-Foot Python Teenage comments in response to our recent writing prompts — and an invitation to join the ongoing conversation. Read More…