They've made a half dozen movies of the Scopes trial because there was no news footage of it. The trial predated television of course, but radio was there. From July 13th to August 21st WGN provided live coverage of the "Scopes Monkey Trial" directly from the courtroom in Dayton, Tennessee.
Quin A. Ryan (pictured) provided some reporting and a sort of play-by-play and engineer Paul Neal set up the microphones. Quin went on to become the general manager of WGN in 1930, and a columnist for the tribune. He was a sports fanatic, doing play-by-play for the Cubs and White Sox from the more traditional setting of a press box for decades. More Here.
The project cost them over $1,000 a day just for the telephone line fees from AT&T. WGN got special permission to arrange the courtroom around the microphones to make the broadcast possible. Listeners across the midwest tuned in and heard their calls; many for the first time. On one hot day the Judge Raulston moved the trial outside to escape the stagnant indoor heat. On the lawn, the jury itself was able to listen to themselves on the radio.