Empty chairs are seen at a polling place Tuesday, Nov. 7, 2017, in Alexandria. Photo: Alex Brandon / AP

There is evidence that social media bots helped stir online activity around a controversial ad against Virginia Republican gubernatorial candidate Ed Gillespie in the buildup to election day today, The Washington Post reports. Democratic gubernatorial candidate Ralph Northam's campaign cited a third-party analysis that found automated Twitter accounts tweeted using terms linked to groups behind the ad, allegedly inflaming online tensions.

Why it matters: Similar automated social media accounts helped to stir online chatter over divisive issues on a national scale during the presidential election last year. Facebook, Google and Twitter came under fire on Capitol Hill last week over how Russian actors used their sites to spread controversial content and ads.

What the analysis found: 13 of the top 15 Twitter accounts that posted words linked to the ad, which a group ran targeting Gillespie, were fully or partially automated and generated by software. The study by Discourse Intelligence was paid for by the Virginia Education Association as an in-kind service to Northam's campaign, the Post reports.

Big picture: The Virginia race, which is often seen as a bellwether for the country, comes to a close today. Republicans will be watching the results to see whether an establishment Republican can adopt Trump-style tactics to win over voters, and Democrats will be trying to ride on Trump's low polling numbers.

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Ben Geman, author of Generate
33 mins ago - Energy & Environment

Tallying Trump's climate changes

Reproduced from Rhodium Climate Service; Chart: Axios Visuals

The Trump administration's scuttling or weakening of key Obama-era climate policies could together add 1.8 gigatons of carbon dioxide equivalent to the atmosphere by 2035, a Rhodium Group analysis concludes.

Why it matters: The 1.8 gigatons is "more than the combined energy emissions of Germany, Britain and Canada in one year," per the New York Times, which first reported on the study.

Boeing's one-two punch

Illustration: Aïda Amer/Axios

The grounding of Boeing’s 737 MAX was the worst crisis in the plane-maker’s century-long history. At least until the global pandemic hit.

Why it matters: Wall Street expects it will be cleared to fly again before year-end. Orders for what was once the company’s biggest moneymaker were expected to rebound after the ungrounding, but now the unprecedented slump in travel will dash airlines’ appetite for the MAX and any other new planes, analysts say — putting more pressure on the hard-hit company.

New downloads of TikTok, WeChat to be blocked in U.S. on Sunday

Illustration: Sarah Grillo/Axios

The Commerce Department issued Friday an order blocking new downloads of WeChat and TikTok in the U.S. as of Sept. 20.

The state of play: President Trump has been in a standoff with TikTok, threatening to ban the app if its Chinese owner, ByteDance, does not relinquish control to a U.S. company. A deal is in the works with the American tech company Oracle, but would need to go through before Sunday to prevent TikTok from being ousted from app stores.