Updated at 2:20 a.m. ET

David Dinkins, New York City's only African-American mayor, died Monday night at 93.

Dinkins led New York in the early 1990s as its mayor, a position he called "the greatest job there is."

Dinkins' office operations manager, Lynda Hamilton, confirmed his death to NPR early Tuesday.

Former Jeopardy! champion, author and know-it-all kind of guy, Ken Jennings, will be the first guest host of the long-running trivia game show, officials said Monday.

The announcement, two weeks after much-loved host Alex Trebek died of pancreatic cancer on Nov. 8, explained that "a series of interim guest hosts from the Jeopardy! family" will take over the show, which Trebek hosted from 1984 until earlier this year.

When it comes to the most enthralling rappers, there's no one like Busta Rhymes. At 19 years old, he famously made a scene-stealing guest appearance on A Tribe Called Quest's "Scenario." A few years later, in 1996, he started releasing the string of solo albums and singles that made him world famous — not just for delivery and flow, but as a showman. The music video for "Gimme Some More," from 1998's E.L.E.

Updated at 6:15 p.m. ET

The United States has had 77 Treasury secretaries in the last 231 years. So far, they've all been men.

That's about to change.

President-elect Joe Biden plans to nominate former Federal Reserve Chair Janet Yellen to head the Treasury Department, a source close to the transition told NPR on Monday

If confirmed, Yellen would play a leading role in shaping economic policy as the United States continues to dig its way out of the deep hole caused by the coronavirus pandemic.

Congressional Democrats, angered by the Trump administration's refusal to begin the formal transition process to President-elect Joe Biden, are demanding a briefing on the matter from the head of the General Services Administration on Tuesday.

American Airlines has reversed a policy that meant some people who use heavy wheelchairs could no longer fly on certain small regional jets.

The recent policy banned wheelchairs weighing more than 300 pounds from some of its smaller jets. Many power wheelchairs, with batteries and motors, weigh more than that.

The Egyptian government is facing an international backlash over the arrests of members of a leading Egyptian human rights organization following a meeting with European diplomats Nov. 3.

Since last week, authorities have arrested three members of the Egyptian Initiative for Personal Rights (EIPR) on charges which include belonging to a terrorist organization, undermining public security by spreading false information and using the Internet to spread false news.

Hookworm is an intestinal parasite often associated with poor sewage treatment and the developing world. It was long thought to have been eradicated from the United States — until a 2017 study revealed otherwise.

According to the study, more than one in three people in Alabama's Lowndes County tested positive for hookworm infection.

A version of this story was first posted by NPR member station WITF in Harrisburg, Pa.

At least four counties home to more than 600,000 voters will not have election results certified when they're due Monday to the Pennsylvania Department of State, though three of them expect to wrap up within the next couple of days. President Trump won all four counties.