From a very reputable source...
(student walks into a classroom which has a picture of Che Guevera on the wall)
Student: Who's that guy?
Teacher: That's Che Guevara. He was big in the Cuban revolution.
Student: Wow, he looks a lot like my lawyer.
Teacher: Uh... you have a lawyer?
Student: [shrugs] Yeah. A lot of people want to sue me.
Seriously, folks. You want a profession where every day is pregnant with the promise of something this funny? Join us.