From wildfires in the Amazon rainforest to the receding white ice of the Arctic, the panelists discussed how climate change is confronting global leaders.

President Trump announced that the U.S. will withdraw from the Paris climate accord, the historic 2015 agreement that commits nations to cut greenhouse gas emissions, and seek to renegotiate a new deal that's "fair" for the American people. Global leaders called the move a mistake, and Trump's decision is raising questions about the U.S. role on the world stage.

Gwen Ifill and the panel talk to voters of the Badger State less than 24 hours after the PBS Newshour Democratic Presidential Debate between HIllary Clinton and Sen. Bernie Sanders. Voters asked the panel about the tone of the 2016 campaign, a lack of substance from the candidates and a potential Bernie Sanders-Donald Trump-Michael Bloomberg match-up in the general election.

2015 is drawing to a close, and the Washington Week reporters take stock of the biggest surprises of the year. From the rise of Donald Trump to Obama's energy accomplishments to the aftershocks of the the 2008 financial collapse to no government shutdown fights, 2015 has had a lot to remember. Plus, as the newest Star Wars movie is released, the Storm Troopers showed up at the White House.

On this Webcast Extra, Eamon Javers of CNBC reports on how Wall Street is reacting to the jobs report and speculation the Federal Reserve will hike interest rates in December. Coral Davenport of The New York Times discusses upcoming climate talks in Paris and how these talks may succeed where previous talks failed because the U.S. is bringing new EPA regulations to the table.

After being under strong pressure from conservatives in Congress to push for tighter government spending, House Speaker John Boehner announced his resignation this week. As he continued his tour around the U.S., Pope Francis came to Washington to address Congress on controversial issues including immigration and climate change.

President Obama became the first sitting president to visit the Arctic Circle this week as part of his trip to Alaska promoting his climate change agenda. Peter Baker of the New York Times calls Obama's trip his “legacy lap" and something to cross off his bucket list. Meanwhile, Vice President Joe Biden continues to weigh a 2016 run for the top job.

While President Obama calls more attention to climate change in Alaska, he is also receiving criticism that his policies are at odds with this message. Gwen Ifill discusses the president’s visit and American energy policy with Robert Bryce of the Manhattan Institute for Policy Research and Michael Brune, executive director of the Sierra Club.

The declared Democratic presidential candidates spoke to party leaders in Minneapolis this week. As frontrunner Hillary Clinton takes on the Republican field, Bernie Sanders pushes his populist appeal, and Martin O'Malley pushes back at the DNC's debate plan. But speculation in Democratic circles continues to surround Joe Biden who is openly considering jumping into the race for the White House.

The White House and Congress recalibrated this week after the Midterm Election with a refocus on issues such as the Keystone pipeline, immigration and healthcare. Also a closer look at the historic U.S.-China climate deal. Plus, if the midterms were a wave election for the GOP, what does it mean for both parties as they look to 2016?