The big NBA news this week is that Ron Artest might be traded from the Sacramento Kings to the Houston Rockets. Here is how the impact of this trade has been described by two writers at ESPN.com. John Hollinger (Artest makes it a trio, boosting the Rockets’ offense, title hopes): The big idea is that Artest, between his scoring and his underrated playmaking skills, will add enough offense to get Houston well into the upper half of the league in offensive efficiency. From there, the Rockets’