Levin is an academic and antagonist. He is a pit bull.
Beck is more of an investigator and entertainer, He is a motivator.
Savage is a story teller. He is (usually) a speaker of the hard truth.
Hannity is the conservative multimedia figure. He is the rah rah guy.
Boortz looks at things differently than all the others. He provides the devil's advocate.
They each have their specialties and attract different audiences. It's sad that any of them feels the need compete. Each has a niche they can talk to.
Well done...great insights.