“Grandpa, I've got this assignment to do. My teacher asked us to do a report about radios and television through the decades. Do you know anything about this stuff?” Dave asked his grandfather.

“In the 70’s broadcasters started making shows that were a lot more controversial. They produced a lot of shows such as “All in the Family,” “M*A*S*H” and “Laugh-in,” that dealt with touchy issues and were still able to draw large audiences.

“Grandpa, I think I've got more than enough information. I'm sure to get an A++ now. I want to start my report right now. Thanks, grandpa.”