How Widespread Was This Attack?

What we’ve learned about President Trump’s Oval Office meeting with top Russian officials the day after he fired James Comey, the F.B.I. director investigating his campaign’s ties to Russia. Plus: how efforts by the U.S. government to protect against a cyberattack may have enabled one. Guests: Matthew Rosenberg, who covers intelligence and national security; David E. Sanger, the chief Washington correspondent for The Times. For more information on today’s episode, visit http://nyti.ms/2pVBUrl.

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