Disputes among lawyers are not exactly rare, but in the case of Mr. Maduro, the captive leader of Venezuela, the stakes are high and the interested parties are many.

Our climate reporter Raymond Zhong meets with Paul Anker, a drilling engineer aboard the icebreaker Araon, to discuss the stakes, preparations and pressure of the mission to drill a hole in the Thwaites Glacier to measure the water beneath.

The California governor is powered by smoothies and bursting with thoughts about U.S. politics.

The Department of Homeland Security posted a clip of the video on social media and said it was taken by the agent, who killed a 37-year-old woman in the shooting.