Reporters Lemire, Mason describe Helsinki moment08:29
Reporters Jonathan Lemire and Jeff Mason both asked the president questions at Monday's joint press conference in Helsinki. Trump's responses to those questions quickly became discussed around the globe. Both Lemire and Mason join Morning Joe to discuss.
Trump set to declare emergency; what happens next?10:31
'I love semicolons'; Grammarian releases new style book06:28
Senator pushes back against national emergency11:10
Starting war with Iran would be 'suicidal': foreign minister04:09
'Master Plan' author on how he leads by example05:38
Sustained opposition leads Amazon to exit NY plan12:12