A short
film depicting (or, often, reenacting) events in the news of the previous week or so. Before
television caught on widely, these were a very
popular way to keep up with
current events. Typically shown between features at the
nabes or
neighborhood movie theatres.
Also, a coalition of political filmmaking collectives in the United States in the 1960s and 1970s. Propaganda (or documentary, depending on how you look at it) films included pieces on the Black Panthers, the 1968 Democratic National Convention, etc...