VANCOUVER — The Vancouver Whitecaps aren't dwelling on their fall from the top spot in Major League Soccer's Western Conference. After all, there's a lot of soccer still to be played. The Whitecaps (4-2-1) dropped a 3-1 decision to the L.A. Galaxy last Saturday and sit in second spot on the West heading into a rivalry matchup with the Sounders (1-3-3) in Seattle this weekend. Moving back up the standings requires moving forward on the field, said Vancouver striker Brian White. “It’s about turnin