MSNBC's Ari Melber hosts "The Beat" on Monday, June 23, and reports breaking news: President Donald Trump claims on social media that Iran and Israel have agreed to a full ceasefire. Maya Wiley, Yamiche Alcindor, Ambassador Dennis Ross and General Barry McCaffrey join.

MSNBC's Ari Melber hosts "The Beat" on Tuesday, May 25, and reports on on top DOJ officials facing tough questions on Capitol Hill after a whistleblower alleged one DOJ leader wanted to tell the courts "f* you." The claim was denied under oath. Melber also covers the Democratic primary for NYC mayor. Emily Bazelon, John Flannery and Jumaane Williams join the show.