By Alek Arend The Los Angeles Lakers’ Russell Westbrook experiment was a disaster. But the storied NBA franchise isn’t taking full accountability for the decision to acquire the former MVP in a trade. LeBron James and the agency that represents him, Klutch Sports, reportedly played a key role in the Lakers trading for Westbrook last year. It was nothing new for LeBron, who’s reportedly helped shape a number of rosters throughout his career. Rob Pelinka has the last say in the Lakers’ building, though. He was the one to okay the Westbrook trade, regardless of how much pressure LeBron put on him…