Facing an unfriendly road trip, the Sacramento Kings felt an urgent need to depart Arco Arena with a victory Monday night. It almost didn’t happen for the mostly lethargic Kings, who rallied in the fourth quarter behind John Salmons’ 22 points for a 93-90 victory over the slumping Milwaukee Bucks. Trailing in a back-and-forth final quarter that saw nine lead changes, Ron Artest made a driving layup…