Philip Ewing

Philip Ewing is NPR's national security editor. He helps direct coverage of the military, the intelligence community, counterterrorism, veterans and other topics for the radio and online. Ewing joined the network in 2015 from Politico, where he was a Pentagon correspondent and defense editor. Previously he served as managing editor of Military.com and before that he covered the U.S. Navy for the Military Times newspapers.

Security experts have warned about the prospect of a new era of high quality faked video or audio, which some commentators worry could have deeply corrosive effects on U.S. democracy.

Here's what you need to know.

What are "deepfakes?"

Foreign interference didn't begin in 2016. It didn't end with that election. And U.S. officials expect it to remain an issue through the 2020 elections as well.

Here's what you need to know.

Voting systems in the United States have come a long way since the hanging chads of the 2000 recount in Florida — but now cybersecurity is as big a concern as ballot fidelity.

Here's what you need to know.

The good news

President Trump defended the idea of buying Greenlandderided by critics within the United States and rejected by Denmark, which controls it — in part by saying the idea first came from President Harry Truman.

Updated at 4:32 p.m. ET

President Trump abruptly dropped his intention to nominate Rep. John Ratcliffe, R-Texas, to serve as director of national intelligence on Friday.

Updated at 2:23 p.m. ET

The Federal Election Commission is considering proposed new rules to outlaw exchanges like the one that took place when a Russian delegation visited Trump Tower in 2016 to offer Donald Trump's campaign "dirt" on Democrats.

Although U.S. law already forbids contributions from foreigners to American political campaigns, President Trump has said that the meeting taken by his son Donald Trump Jr. and others was business as usual and that everybody in politics accepts "opposition research."

Updated 1:35 p.m. ET

Rep. John Ratcliffe is President Trump's choice to become the next top leader of the U.S. intelligence community.

The Texas Republican thanked Trump on Twitter following the president's earlier announcement, also on Twitter, that Ratcliffe is his nominee to replace outgoing Director of National Intelligence Dan Coats.

Former special counsel Robert Mueller did what Democrats wanted him to do on Wednesday — the question now is how much difference that may make.

Mueller's hearings did not feature a telegenic star who could deliver a message as exuberantly as President Trump's opponents hoped.

Updated at 4:56 p.m. ET

Peril from foreign interference in American elections will persist through the 2020 presidential race, former special counsel Robert Mueller warned on Wednesday.

Asked whether Russia would attempt to attack future U.S. elections, as it did in 2016, Mueller replied: "They're doing it as we sit here."

Mueller didn't detail a prescription for how he believes Congress or the United States should respond, but he recommended generally that intelligence and law enforcement agencies should work together.

Former special counsel Robert Mueller is testifying before Congress on Wednesday, and lawmakers have so many questions they may not have enough time to ask them all.

The House judiciary and intelligence committees have scheduled hearings for 8:30 a.m. and noon.

Majority Democrats and minority Republicans are expected to try their utmost to get the most good they can from Mueller — in very different ways.

Pages