Journalism and the current events

Journalists often write about what just happened: who committed a crime, who won a game or an election. But a lot of journalism is about predicting the future, and the presidential election on November 3 is the hottest
subject for prediction.
Write about two of the most important research institutions that are looking at the poll numbers (that would be FiveThirtyEight) and social conditions (Pew Research Center) that shape the election.