Has Donald Trump never 'promoted or encouraged violence,' as Sarah Huckabee Sanders said?

Has President Donald Trump promoted violence? At a White House briefing, White House spokeswoman Sarah Huckabee Sanders answered with a definitive no....
http://www.politifact.com/truth-o-meter/statements/2017/jul/05/sarah-huckabee-sanders/has-donald-trump-never-promoted-or-encouraged-viol/