NEW YORK (Reuters) – SEC Chairman Christopher Cox has called on Congress to pass legislation that would make so-called credit default swaps more transparent, including requiring that dealers in over-the-counter swaps publicly report their trades and the trades' value. Writing in Sunday's New York Times, Cox noted that the $55 trillion credit defaults market is more than the GNP of all the world's nations combined, and that credit default swaps "play an important role in the smooth functioning of capital markets." But, he said, "our markets function best when they are highly transparent," while credit default swaps have "operated in...