On Tuesday, Jon Stewart appeared at a benefit event for US veterans, and during his performance called Donald Trump an “internet comment troll.”

Jon Stewart retired from ‘The Daily Show’ this past summer and has been lying low since.
On Tuesday, he was back in the spotlight, appearing at 'Stand Up For Heroes,' a benefit event for US veterans.
Stewart seized the opportunity to comment on one of his favorite topics, Donald Trump. 
Among the barbs was calling Trump “an Internet comment troll ran for president.” 
Stewart