Report: Tanks cross border into Ukraine
NBC's Jim Maceda talks about reports that tanks crossed over the border from Russia into Ukraine even though a cease-fire has been in place for two months.
Brennan: Intel likely to uncover truth in Khashoggi disappearance08:07
Trump defends Saudi Arabia & calls Stormy Daniels a 'horseface'10:40
Fighting cyber threats: 'We have to innovate our way out'04:30
What drives Trump's praise of authoritarian leaders?15:28
Where did the 'rogue killers' explanation originate?14:00
Why Trump's handing of Khashoggi crisis could affect the midterms09:50