ZARELLI MUST DO MORE THAN JUST WIN Wednesday, September 11, 2002 By JEFFREY MIZE, Columbian staff writer For a candidate unopposed for the GOP's congressional nomination, state Sen. Joe Zarelli has everything to lose in next week's primary. Zarelli, R-Ridgefield, is assured of advancing to the Nov. 5 election and going head to head with U.S. Rep. Brian Baird, D-Vancouver. Zarelli, however, must make a strong showing in Tuesday's "beauty contest" primary to attract campaign contributions and media attention needed to mount a legitimate challenge. "The reality is that everyone wants to see a number," he said. "If I do...