Axios

President Trump is expected to meet with Ukrainian President Volodymyr Zelensky at the White House on Friday, two sources familiar with the planning told Axios.

Why it matters: The two will discuss what weapons should be supplied to Ukraine, specifically if the U.S. should provide game-changing long-range Tomahawk missiles to the war-torn country.

Three scholars have been awarded the Nobel prize for economics for work that shows how societies become more prosperous over time, describing and modeling how technological innovation fuels growth.

The big picture: The award comes at a moment of worry that some of the underpinnings of future growth — like biomedical research and science funding — are under assault in the U.S., raising questions about future innovation.

• "The laureates' work shows that economic growth cannot be taken for granted," John Hassler, chair of the prize committee, said in the announcement.
• "We must uphold the mechanisms that underly creative destruction, so that we do not fall back into stagnation," he said.

Smithsonian museums and the National Zoo closed Sunday due to the government shutdown, with their websites urging visitors to check back for updates on when they'll reopen.

The big picture: All of the Smithsonian's institutions, including its research centers, 21 museums and the National Zoo, are affected by the temporary closure. The zoo emphasized on its site that its beloved pandas and other animals "will continue to be fed and cared for."

When President Trump announced a new deal Friday to lower prescription drug costs, it was the clearest sign yet that he'd paused his commerce secretary's push to slap 100% tariffs on pharmaceuticals that aren't manufactured in the U.S.

Why it matters: Prescription drug policy and tariffs are big priorities of Trump's administration. But after the two issues collided in a conflicting series of White House messages recently, Trump set aside the tariffs idea, which could have made drugs more expensive for many Americans.

From viral leggings to Oreo lookalikes to counterfeit toys, dupes are reshaping retail and forcing brands — and courts — to react.

Why it matters: These cheaper products have exploded into mainstream shopping, driven by consumer hunger for lower prices, plus a heavy dose of social media hype.