BOSTON -- Sacramento Kings coach George Karl said he is focused on his team's next opponent -- not reports that his team is considering a coaching change. Karl seemed amused by a string of questions about his future after he led the Kings through a 90-minute off-day workout Saturday at Harvard's Lavietes Pavilion, but he kept steering the conversation back to Sunday's game against the Boston Celtics. "I don't have any control over what other people are thinking or saying. That's their storm," Karl said. "My preference would be it wouldn't be there. But there's always energy today. Then once something gets out, it magnifies and grows and becomes a storm. That's not my storm. My storm is the Boston Celtics." Added Karl: "I have no control of what other people think or whatever people are circulating. My job is to get prepared for Boston. We had a good practice [Saturday], and I'm happy with the practice. Boston's playing at a great level. Probably the best they've...