Still haven't seen your first show at the Esquire IMAX Theatre? You no longer have any excuse. The theater is inviting the public to free showings of the film "Adventures in Wild California" from 10 a.m. to 5 p.m. on Saturday, July 11. The hour-long, large-format film will play every hour on a six-story screen. The theater at 1211 K St. seats 400. The shows are being offered on a first-come, first-served basis to celebrate the IMAX theater's 10-year anniversary July 8. On Monday, the IMAX theater's role in reviving K Street Mall and the downtown core was lauded during a press conference led by Esquire IMAX Theatre Director Doug Link, Mayor Kevin Johnson and others. "In just 10 years, th