David Hogg the Parkland activist has been in and out of the news a lot in the past several months.
With VP Mike Pence on the verge of speaking at the National Rifle Association Annual Meetings and Exhibits in Dallas, Hogg is one of the many gun control activists that are upset.

Activists are accusing Pence of ignoring gun violence victims and putting the “gun lobby” over Americans.
Parkland activist David Hogg and actress and activist Alyssa Milano have started a petition demanding that Pence not appear at the event:
Recently, David Hogg has taken it on to explain nonviolent movements and wars, but it doesn’t turn out well for him.
According to ijr:
Parkland activist David Hogg on Sunday posted his thoughts on the world’s major conflicts and how they compare to different nonviolent movements. According to Hogg, wars bring nothing but more wars, and peaceful actions are the path to lasting peace.

Hogg used both World Wars, the Korean War, the Cold War, and the Vietnam War to illustrate his point:
In response, people gave Hogg a hip-pocket history class on how that is not always the case:
Dude… I hope your ignorance is based on your age, and not your intelligence. Your history teachers either didn’t do their jobs well, or you weren’t listening.
— Carl Marino (@carlmarino1) May 1, 2018