NBC: Belgium thought it was slowing ISIS05:36
NBC News Chief Foreign Correspondent Richard Engel provides a comprehensive update on the investigation into the Brussels terror attacks, including an NBC News report that there is a link between the Brussels and Paris ISIS operatives.
Acting defense secretary heads to NATO summit03:44
How Trump's unscheduled press conference happened07:06
Fact-checking the president's news conference03:47
Former defense secretary expresses concerns for Putin meeting11:04
Trump creates his own narrative at press conference08:35
Trump holds impromptu conference, makes false claims15:53