I was born in South Korea and raised in Japan. My family moved to the U.S. when I was a teenager and worked through the legal immigration process. It was difficult and time-consuming, but we achieved our version of the American Dream—like the millions who came before us. Today this system is being threatened as California moves closer to becoming a sanctuary state, with local law enforcement under order to disregard federal law and protect illegal aliens. That’s why, as a member of the Orange County Board of Supervisors, I voted to join a federal lawsuit against Senate Bill 54,...