What kind of person is easy to operate on? hmmm

Three surgeons are discussing who makes the best patients to operate on.

*The first surgeon said, "Electricians are the best, everything inside is color coded."

*The second surgeon says, "No, I think librarians are, everything inside them is in alphabetical order"

*The third surgeon shut them up when he said: "You're all wrong. Politicians are the easiest to operate on. There's no guts, no heart, no balls, no brains, and no spine. Plus, the head and the heiney are interchangeable