Former president Trump has threatened a federal takeover of Washington, D.C. following the public beating of a former Department of Justice worker. Other top stories include a California senator under criminal investigation for allegedly falsifying residence claims, and a man reportedly found with weapons at an airport frequented by Trump. In other developments, Trump's former intelligence chief discussed the possibility of alien life, and a major ballroom project is underway at the White House. Internationally, an African nation has agreed to accept hundreds of migrants as part of a new deal. Meanwhile, a space-based missile defense system is preparing for a crucial test, and debates continue over the motivations behind recent terror attacks.