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NPR's live coverage examining the first 100 days of President Trump's second term starts tonight at 8 p.m. ET.

If the bill is signed by Gov. Ron DeSantis, Florida would be the second state, after Utah, to ban the additive from its drinking water sources.

Columbia University student Mohsen Mahdawi — detained by authorities at his naturalization interview — is free for now. He had been in prison for two weeks after his arrest earlier in April.

The Trump administration canceled billions of dollars of grants that were supposed to help small towns across the U.S keep their residents safe from floods, wildfires and other extreme weather. In one small Maryland town, the loss of funding means people are trapped in harm's way.

The case is from Oklahoma, which like 45 other states, has laws that say charter schools must be public schools funded by the state, closely supervised by the state, and be non-sectarian.

Facing financial headwinds, budget carrier Avelo Airlines struck a deal to operate deportation flights for ICE. Now it's dealing with angry customers and politicians at its hub in Connecticut.

Polygraph exams are commonly called "lie-detector tests" but experts say that's not true.

Critics see the terminations as an effort to politicize the Holocaust museum. The White House says Trump will appoint new board members "who are also steadfast supporters of the State of Israel."

A once-fringe movement claims having more babies is the only way to save civilization. NPR reporter Lisa Hagen and sociologist Karen Guzzo explain who's empowering pronatalism today.

Mohsen Mahdawi, the 34-year-old Columbia University student arrested and detained by masked immigration agents after his naturalization interview in Vermont, has been released on certain conditions.