Sam Sanders

Sam has worked at Vermont Public Radio since October 1978 in various capacities â

On Wednesday, Treasury Secretary Jacob Lew announced that former slave and abolitionist Harriet Tubman would grace a new version of the $20 bill. The news came after a prolonged effort to get women's faces on U.S. currency, with Tubman's name mentioned for several months. On the surface, the Tubman 20 announcement could be seen as an overwhelmingly acceptable development. A feel good story. A chance to celebrate.

During an exchange over how high to raise the minimum wage in Thursday night's Democratic debate, Hillary Clinton and Bernie Sanders began to shout over each other, hands raised, fingers pointed, both seeming to get a bit red in the face, while the audience cheered and booed in equal parts.

It was quite a scene. As NPR's Ron Elving put it, "Both Sanders and Clinton showed flashes of animosity bordering on contempt."

Oregon Sen. Jeff Merkley has endorsed Bernie Sanders for president, the first of Sanders' fellow members of the U.S. Senate to do so.

In a New York Times op-ed, Merkley wrote that Sanders is "boldly and fiercely addressing the biggest challenges facing our country." Merkley praised the Vermont senator for opposition to international trade deals, his push for renewable energy, his calls to crack down on big banks, and his fight to address campaign finance laws.

The things they do for love.

Politicians will eat almost any food, adopt any colloquialism, endure any level of awkward — just to seem "authentic."

The latest example? Democratic presidential candidate Hillary Clinton, riding the New York subway through the Bronx, saying hi to babies and taking selfies along the way.

Depending on your point of view, the event — and it was an event — could be viewed as either a shining testament to Clinton's New York bona fides, or just the latest example of how out of touch she is.

Here's how it all happened.

This post has been updated at 10 a.m. ET, April 8

In a prolonged exchange Thursday afternoon, former President Bill Clinton forcefully defended his 1994 crime bill to Black Lives Matter protesters in the crowd at a Hillary Clinton campaign event.

He said the bill lowered the country's crime rate, which benefited African-Americans, achieved bipartisan support, and diversified the police force. He then addressed a protester's sign, saying:

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