Speak
2017 New York Times Editorial Contest Winners: https://www.nytimes.com/2017/05/18/learning/a-call-to-action-winners-from-our-fourth-annual-student-editorial-contest.html
2016 New York Times Editorial Contest Winners: https://learning.blogs.nytimes.com/tag/editorial-winner/
401 Argumentative Prompts: https://www.nytimes.com/2017/03/01/learning/lesson-plans/401-prompts-for-argumentative-writing.html
More prompts: https://www.kibin.com/essay-writing-blog/50-argumentative-essay-topics/