Photo: Spencer Platt via Getty Images

In a fiery address to the UN punctuated by a claim that France will not sign a trade deal with any country outside the Paris climate agreement, President Emmanuel Macron railed against nationalism and stressed the importance of collective action in confronting the world's problems.

Don't accept the erosion of multilateralism. Don’t accept our history unravelling. Our children are watching. Let us address the crisis, let us work together to combat these inequalities — on a human level, mindful of our history."
— President Macron

Why it matters: The speech was a not-so-veiled rebuke of President Trump's earlier address, in which sovereignty and a rejection of global governance were key themes. At one point, Macron warned that while he will "never stop upholding the principle of sovereignty," the world should be wary of strains of nationalism that brandish sovereignty as a tool to attack others.

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Appeals court allows House Democrats to continue lawsuit for Don McGahn testimony

Don McGahn in an October 2018 Cabinet meeting. Photo: Chip Somodevilla/Getty Images

A D.C. appeals court on Friday allowed House Democrats to continue their case for testimony from former White House counsel Don McGahn before the House Judiciary Committee.

Why it matters: The ruling has broader implications beyond this specific instance, agreeing that Congress has the standing to sue to enforce subpoenas against executive branch officials even if the White House refuses to comply.

There's little consensus on TikTok's specific national security threat

Illustration: Aïda Amer/Axios

TikTok has become a Rorschach test for how U.S. politicians view China, with little consensus on the specifics of its threat to homeland security.

The big picture: Much of what D.C. fears about TikTok is fear itself, and that's reflected in President Trump's executive order to ban the app by Sept. 20 if it's not sold by parent company ByteDance — alongside another focused on Chinese messaging app WeChat and its parent company Tencent.

U.S. sanctions Hong Kong leader Carrie Lam

Photo: Anthony Kwan/Getty Images)

The Treasury Department on Friday placed sanctions on Hong Kong leader Carrie Lam, following months of tension as she has allowed continued overreach by Beijing to subvert Hong Kong's autonomy.

Why it matters: It's the toughest sanction yet imposed on China for its destruction of Hong Kong’s relatively free political system.