If there was a prefab flow chart to graphically represent all the blowback expected from the launch of the Dodgers' SportsNet L.A. channel, connecting the dots on the rising anxiety levels are probably right on schedule.The caustic arrival of the Dodgers-owned channel some 11 days ago, still unavailable to any TV home outside of Time Warner Cable's two-million Southern California subscriber base, may have been only temporarily sidestepped Thursday.