Yuan's involvement in the coup continues to be a large topic of historical debate.

Post-concussion syndrome was a large topic of discussion today, and doctors on the panel tried to clear up several myths.

Tactical matters that had to be addressed immediately at the Congresses were large topics.

Social psychology is clearly another large and highly complex topic.

The science of surfactants is a very large topic.

During all that time, its effect on the city's budget has been the largest topic of debate.

They seem to me to be very large topics fraught with complications that I am not fit to judge.

The interpretation of environmental data produced from a well designed monitoring programme is a large and complex topic addressed by many publications.

The Macropaedia has articles that are very detailed, but one article is usually about a very large topic.

All three of these large topics come under Judge Posner's scrutiny.