Your morning briefing, the business news you need in just 15 minutes.

On today's podcast:

(1) Investigators say they haven’t found evidence linking separate deadly attacks in New Orleans and Las Vegas, as the FBI continues to probe two incidents that rattled Americans as they rang in 2025.

(2) South Korean anti-corruption investigators failed to arrest impeached President Yoon Suk Yeol after facing resistance from his security team and about a thousand protesters gathered outside his residence.

(3) President Joe Biden has decided to officially block Nippon Steel's proposed purchase of U.S. Steel, a once-iconic American company whose sale to a foreign buyer he publicly opposed for months, according to two administration officials who were not authorized to speak publicly about the matter.

(4) Meta says Nick Clegg will step down as president of global affairs and named his deputy, Joel Kaplan, as policy chief, elevating a longtime executive with staunch Republican ties ahead of Trump’s second inauguration as US president.

(5) China is planning tougher scrutiny on exports of technology to make battery materials, as Beijing looks to protect its grip on a crucial supply chain amid rising global trade tensions.