Renee Klahr

Experts review Rochester, N.Y., police body camera video of a recent encounter of white officers with a Black girl in distress. She was handcuffed and pepper-sprayed in a squad car.

In the past few weeks, the nation has been gripped by protests against police brutality toward black and brown Americans. The enormous number of demonstrators may be new, but the biases they're protesting are not. In 2017, we looked at research on an alleged form of bias in the justice system. This week, we revisit that story, and explore how public perceptions of rap music may have played a role in the prosecution of a man named Olutosin Oduwole.

President Trump said this week that a few "bad apples" were to blame for police killings of black people. But research suggests that something more complicated is at play — a force that affects everyone in the culture, not just police officers. In this bonus episode, we revisit our 2017 look at implicit bias and how a culture of racism can infect us all.

The Democratic presidential field started out as the most diverse ever, and the largest in at least 40 years. It's since winnowed down to one.

Eight candidates meet the requirements to make the debate stage in September: Joe Biden, Bernie Sanders, Elizabeth Warren, Kamala Harris, Pete Buttigieg, Beto O'Rourke, Cory Booker and Andrew Yang.

The Trump administration says there is a national security crisis at the Southern border. But most people in the country illegally didn't sneak across the border; they overstayed their visas.

The 116th Congress has 127 female members — 102 of them in the House. That's far more than the previous record, but it also is far from gender parity.

President Trump, the GOP-controlled Senate and the Federalist Society are putting their stamp on the federal judiciary for a generation with a corps of conservative appointments.

We all know the downsides of being poor. But what about the downsides of being rich? This week, we explore the psychology of scarcity...and excess.

Olutosin Oduwole was a college student and aspiring rap star when he was charged with "attempting to make a terrorist threat." Did public perceptions of rap music play a role?