From TIME

“Why did the states want to ensure the Federal government did not establish a national religion? And why were the freedoms of press, speech and assembly so important to the Founding Fathers?” Find out by watching this video (6:08) from TIME’s Your Bill of Rights series.

http://content.time.com/time/specials/packages/article/0,28804,2080345_2080344_2080342,00.html

Source

"In this series of ten short videos, TIME brings to life the words of the Founding Fathers and explores how these deeply felt ideas about liberty and property have evolved into the amendments as we interpret them today."