Mike Flores
Mike has been a leading voice in the game's strategy for as long as there has been a Magic Internet. He is the former editor of The Magic Dojo and a sometime Pro player.
His articles about Sligh carries great weigth into the game, and he has written an article called "Naming the Red Metagame" (linked below) which may crucial in understand what The Sligh Principle is, and how it was made.
Links to articles by Mike Flores
Naming the Red Metagame: http://www.wizards.com/default.asp?x=mtgcom/daily/mf39