Trump's economic policies are up in the air, but the IMF likes what it's hearing. Its new economic forecast predicts the U.S. economy will grow by 2.3% this year and 2.5% in 2018, well above the 2016 pace of 1.6%.

The IMF's sunnier forecasts rests on the idea that the Trump Administration will usher in an era of higher deficit spending and growth-friendly tax reform.

Don't get too excited: The IMF said its updated forecast is "particularly uncertain," given the unpredictable politics of Washington in 2017. It cautioned that any deficit spending should be aimed at productivity boosting infrastructure spending or shoring up social safety nets. And the Trump Administration risks higher inflation, unproductive increases in debt, and a strong reaction from the Federal Reserve if its stimulus is too large or overly generous toward the rich.

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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.

GM's high-stakes electric move

The Cadillac Lyriq. Image courtesy of Cadillac

Cadillac on Thursday unveiled the Lyriq, the luxury brand's first all-electric model and GM's first consumer electric vehicle unveil since the Chevy Bolt several years ago.

Why it matters: It's the first reveal by GM of an electric vehicle that will use the company's new modular platform and Ultium battery system — technologies meant to underpin the 20 electric vehicles that GM plans to launch by 2023.