The WNBA’s 30th season is now a week old and we’ve already had quite a bit of fun. Rookies are making a splash (though some are easing into their pro careers). Officiating is back in the spotlight (but maybe that’s a good thing this time around?). And the expansion teams in both Portland and Toronto are bringing the fun.  Most teams have played just two or three games, but that won’t stop us from making some overreactions. Plus our writers and editors go through their biggest surprises and favorite moments of the season so far.  What has been the biggest surprise so far?  Emma Baccellieri: The Lynx. I know, I know, doubt Cheryl Reeve at your own risk, but  … without a healthy Napheesa Collier, and after a fairly lackluster free agency, I wasn’t expecting particularly much here. Instead? Minnesota has opened the season with one of the most cohesive offenses in the league. The Lynx are leading the WNBA in shooting with a 53% field-goal percentage.…