CLEAN : Ambulance workers collect suspected Ebola victims

The video covers various topics, starting with an introduction to radio, a brief mention of George Bush, and an explanation of a gradual process by General Whipple. It then discusses cancellation and greatness, describes the London look, and concludes with a question.

What does the word 'Cancel' suggest in this context?

What is the significance of the phrase 'What's going on, fellas?' in the conversation?