Before hosting a Fox News show, Tucker Carlson warned against "conspiracy theories.” Now, Mr. Carlson is involved in a case alleging lies, where some of the most damning evidence comes from Fox hosts including Carlson. MSNBC’s Ari Melber reports on how Carlson’s history is boomeranging in this case and why it exposes a wider crisis in conservative media. ...

Declared and prospective Republican 2024 presidential contenders laid out their views on the Ukraine War, including some for the first time. ...