https://www.politico.com/story/2018/09/04/twitter-trump-kicked-off-766101

"Twitter said Tuesday that not even President Donald Trump is immune from being kicked off the platform if his tweets cross a line with abusive behavior.

The social media company's rules against vitriolic tweets offer leeway for world leaders whose statements are newsworthy, but that "is not a blanket exception for the president or anyone else," Twitter legal and policy chief Vijaya Gadde told POLITICO in an interview alongside CEO Jack Dorsey."