It's all getting pretty potty-mouthed over at Cif, I'm afraid:
It's a pretty basic tenet of fiction writing: where possible, don't tell us, show us. Rather than state baldly that a character is bad, allow him or her to demonstrate that badness through word and deed. One of Shakespeare's darkest creations is at first described by his unwitting boss as "Honest Iago"; only in his first soliloquy does he make his own "double knavery" evident.
Of course, just because Shakespeare put those words in Iago's mouth, it doesn't mean he agreed with them. Sorry if that seems bloody obvious, but it's a point that appears to have eluded two recent contributors to Cif...
For more blimmin' flip and crikey, click here.