by Terrance HarrisFiled under: Lakers, Rockets, NBA TransactionsThe Boston Celtics aligned their three stars and rode them all the way to a NBA championship in 2008.The Houston Rockets hoped to do the same when they added unpredictable yet talented Ron Artest with their superstar duo of Tracy McGrady and Yao Ming last summer. But a year later, their dream has unraveled.McGrady and Yao are sidelined with potentially career-threatening injuries and Artest left Thursday in free agency, heading t...