2. The Russian lawyer Natalia Veselnitskaya, above, who secured a meeting with Donald Trump Jr. with the promise of dirt on Hillary Clinton, has denied acting on behalf of the Kremlin. Records and interviews, however, suggest coordination with a top official.

Our correspondents are checking into CNN’s report that a federal grand jury has approved the first charges in the investigation led by Robert Mueller into Russian meddling in the 2016 presidential election. A White House lawyer, Ty Cobb, speaks about the investigation on our podcast “The New Washington.”

Congressional committees will meet with leading tech companies starting Tuesday to talk about social media’s role in the meddling. Twitter said it would ban ads from the Kremlin-supported news organizations RT and Sputnik.