Travelers heading out from John Wayne Airport (SNA) can be among the first to cast ballots in Orange County’s 2008 primary election. Between Sunday, May 18 and Tuesday, May 27, the Orange County Registrar of Voters will be offering early voting at the airport between 6 AM and 9 PM Monday through Saturday, and from 7 AM to 9 PM on Sundays. Voting booths will be located post-security in Terminal A, between the Sunglass Hut and Caterina’s, across from gate 9.