By Andrew Gould The Los Angeles Lakers’ roster clearly isn’t working as currently assembled. Unless they dramatically improve down the stretch with a lengthy playoff run, they’ll likely make significant changes this offseason. Russell Westbrook stands out as the most obvious trade candidate, and Brian Windhorst sees no way to retain the former MVP. Appearing on ESPN’s Get Up, the NBA insider said the Lakers need to move the slumping point guard. Furthermore, they shouldn’t be picky about what they get in return. “He’s got to be traded for any three breathing players,” Windhorst said, “because …