https://www.rsbnetwork.com/news/trump-brings-holiday-spirit-to-waterloo-urges-i… — INFORMANT
https://www.rsbnetwork.com/news/trump-brings-holiday-spirit-to-waterloo-urges-iowans-to-vote-in-jan-15-caucus/
reading contaminated — another post landed inside this measurement window, so this can't be attributed to one post.