The Art Ensemble of Chicago played Saturday night’s final set, framed as a celebration of the band’s 50th anniversary. This group — originally a flagship ensemble of Chicago’s Association for the Advancement of Creative Musicians — has always embodied a radical black performativity. In the 1960s and ’70s, its music, …

Saul Loeb | AFP | Getty Images President Donald Trump speaks to the media prior to departing on Marine One from the South Lawn of the White House in Washington, DC, September 27, 2017, as he travels to Indiana to unveil his tax reform plan. “We remain pessimistic that serious …

Anne Ryan | University of Chicago via AP In this photo provided by the University of Chicago, Richard Thaler poses for a photo with his books at his home in Chicago after winning the Nobel prize in economics, Monday, Oct. 9, 2017. The leading thinker on behavioral economics and finance …

Photo Shania Twain’s “Now,” her first album since 2002, sold 134,000 copies as a full LP. Credit Gerardo Mora/Getty Images for Iheart On the music charts this week, Shania Twain returns to No. 1 after a 15-year absence, and Tom Petty had a huge surge in sales and streams following …

Brendan McDermid | Reuters Waymo unveils a self-driving Chrysler Pacifica minivan in Detroit, Michigan, U.S. on January 8, 2017. Waymo, the Alphabet subsidiary developing autonomous drive vehicles and technology, is teaming with some of the country’s best-known safety advocates to raise awareness of the potential for self-driving cars to save …

Mr. Roberts spent a week in mid-September rehearsing with Empire students, and will add other young dancers from the area later. He’ll travel from New York to work on the show, even as he prepares his first piece for the Ailey troupe, “Members Don’t Get Weary,” set to premiere on …

The path toward the exhibition began, the records department officials say, with a phone call in 2011 from the police, who were looking for advice on how to dispose of old nitrate film, which can be combustible. A curator at the records agency, Michael Lorenzini, who is now the deputy …

This year’s winner of the Nobel Prize for economics is also an advisor to investment funds with stellar track records. Behavioral economist Richard Thaler is principal at Fuller & Thaler Asset Management, which helps advise a $5.8 billion Undiscovered Managers Behavioral Value Fund. It has almost doubled the S&P 500’s …

The Washington Post | Getty Images Brad Parscale, who was the Trump campaign’s digital director, at Trump Tower in November 2016 Parscale ended up becoming Trump’s digital director, the man behind the social media advertising strategy that he said helped win the election. And that $1,500 project reaped massive rewards: …

Evelyn Cheng | CNBC Customers can buy traditional Chinese calligraphy brushes at this Xi’an, China, store using QR payment codes. From left to right: WeChat Pay, Alipay and the QR code for the store’s WeChat account. The growth of mobile pay in China comes off a solid base of smartphone …