"Sensible editors will allow their cartoonists as free a rein as reasonable, within the bounds of decency." Above cartoon by Martin Rowson
Writing for The Guardian, Martin Rowson describes the function of a full-time newspaper editorial cartoonist.
"Cartoons as a medium, particularly political ones, occupy a curious, not quite respectable twilight place in the realm of journalism, often integral to the topography of a newspaper but also more than slightly semi-detached."
Link here. This is a shorter version of an article Mr. Rowson wrote for the British Journalism Review.