October 2, 2019 - PBS NewsHour full episode

In our news wrap Wednesday, Democratic presidential candidate Sen. Bernie Sanders called off campaigning for now after undergoing a heart procedure to address a blocked artery. Also, Russian President Vladimir Putin made a joke dismissing fears of Moscow meddling into U.S. elections in 2016 and 2020.

In China, the world’s largest emitter of greenhouse gases, putting more electric vehicles on the road is critical. Determined to become a world leader in the market, that nation has imposed a requirement that’s compelling international manufacturers to go more green. Special correspondent Katrina Yu reports as part of "China: Power and Prosperity," with support from the Pulitzer Center.

"I’ve always thought that seeing is believing,” said Dr. Elizabeth Wayne, a biomedical engineer. In her career, that’s meant innovating new ways of showing people what happens in the body, but also, as a black woman in the sciences, the importance of representation and being a role model. Wayne gives her Brief but Spectacular take on the power of images in science and life.

Do Republicans believe President Trump’s conversation with Ukraine’s leader warrants an impeachment inquiry? Judy Woodruff gets two perspectives from former Republican Sen. Jeff Flake of Arizona and Chris Buskirk of American Greatness on the potential political ramifications.

Many of the 2020 Democratic candidates spent Wednesday at a forum devoted to curbing gun violence, explaining how they would address the problem. Former Vice President Joe Biden chose the event to release his plan. Amna Nawaz learns more from John Yang, who was at the forum in Las Vegas, about where candidates agree, and how they are trying to distinguish themselves.

Recreational and competitive sports played by people with disabilities are growing in popularity, and the skill levels of the athletes are rising. One of the more established adaptive sports is wheelchair tennis. William Brangham went to the U.S. Open in New York recently to hear what some of the top players of this now 40-year-old sport have learned on and off the court.