Plus, inside the closed-door talks over Greenland.  Here’s what we’re covering: Trump’s Approval Sinks Amid Unpopular War, Darkening G.O.P. Prospects, by Lisa Lerer, Ruth Igielnik and Camille Baker Trump Tightens Grasp on G.O.P. as Cassidy Loss Shows Cost of Defiance, by Tim Balk Over 100,000 Family Separations in Deportation Push, Report Estimates, by Miriam Jordan and Jeff Adelson In Closed-Door Talks, U.S. Demands a Major Role in Greenland, by Jeffrey Gettleman, Maya Tekeli, Anton Troianovski and Eric Schmitt W.H.O. Declares Ebola Outbreak a Global Health Emergency, by Yan Zhuang, Matthew Mpoke Bigg and Apoorva Mandavilli App-Driven Birding Attracts Flocks of Enthusiasts to Colombia, by Max Bearak Tune in every weekday morning, and tell us what you think at: theheadlines@nytimes.com. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.