More than 100 SAG-AFTRA members and their supporters took to the picket line today outside the Playa Vista, CA offices of Electronic Arts in the first job action of the union's four-day-old strike against the video game industry. Peaceful and joyous in solidarity, they carried "On Strike!" signs and chanted sing-song slogans: "Hey, hey, shut it down, LA is a union town!" "We are willing to stay out as long as it takes – not only the performers, but the union itself,"…