SALT LAKE CITY The Lakers reached the All-Star break tonight with a 42-10 record, which puts them percentage points ahead of the Boston Celtics (43-11) for the NBA’s best overall record. They lead the third-place Cleveland Cavaliers by 1 1/2 games in the fight for home-court advantage throughout the playoffs. What’s more, they lead the San Antonio Spurs by 6 1/2 games in the Western Conference standings and have a whopping 13 1/2-game lead over the Phoenix Suns in the Pacific Division race.