Five Surgeons Joke

The second, from Chicago, responds, 'Yeah, but you should try electricians!
Everything inside them is color coded.'

The third surgeon, from Dallas, says, 'No, I really think librarians are the
best, everything inside them is in alphabetical order.'

The fourth surgeon, from Los Angeles chimes in: 'You know, I like
construction workers... Those guys always understand when you have a few
parts left over.' 

But the fifth surgeon, from Washington, DC shut them all up when he
observed: 'You're all wrong. Politicians are the easiest to operate on.
There's no guts, no heart, no balls, no brains and no spine, and the head
and the ass are interchangeable...