By CHRIS DUNCAN Ron Artest is joining Kobe Bryant and the Los Angeles Lakers.David Bauman, Artest's agent, told The Associated Press that the Houston Rockets forward has verbally agreed to play for the NBA champions next season. Bauman said the final details are still being worked out, but could be finished as early as Thursday night.ESPN.com reported that Artest had agreed to a three-year deal worth $18 million.