December 4, 2019 - PBS NewsHour full episode

For additional insight into the House Judiciary Committee’s first public impeachment hearing, we turn to Solomon Wisenberg, who was deputy independent counsel during the Whitewater investigation, and law professor Frank Bowman, author of “High Crimes and Misdemeanors: A History of Impeachment for the Age of Trump.” Both join Judy Woodruff to discuss the day’s developments.

Mushroom hunters have long fanned out across the forest floor seeking what can be lucrative and delicious finds for teas, broths and medicinal remedies. But what does climate change mean for the fungi? From the Cronkite School of Journalism at Arizona State University, Melanie Porter reports on what the foragers of the Arizona Mushroom Society are finding about mushrooms on a warming planet.

The impeachment inquiry into President Trump entered a new phase Wednesday as the House Judiciary Committee held its first hearing on the matter. Four law professors testified before the panel about the legal parameters of impeachment: Noah Feldman, Michael Gerhardt, Pamela Karlan and Jonathan Turley. Those selected by Democrats said Trump's conduct was impeachable. Nick Schifrin reports.

London's NATO summit was intended to celebrate a critical military alliance -- but ended up highlighting divisions among member nations. Canadian Prime Minister Justin Trudeau was caught on camera appearing to mock President Trump to other leaders, while Trump openly questioned whether NATO should defend countries that don’t pay their share on defense. Special correspondent Ryan Chilcote reports.

In our news wrap Wednesday, Beijing sharply criticized Congress over a bill blasting China’s detention of ethnic Muslims. China's foreign ministry warned the reprimand could affect ongoing trade negotiations. Also, Iranian President Hassan Rouhani again claimed the U.S. helped foment mass protests over gas price hikes but said that some people who had been jailed in the crackdown were innocent.

The Trump administration is making some major changes to the food stamp program, known as SNAP. On Wednesday, the U.S. Department of Agriculture finalized a new rule expected to end access to the benefit for nearly 700,000 people by enforcing tougher work standards and limiting exemptions. The Urban Institute’s Elaine Waxman joins Amna Nawaz to discuss.