Today is the 40th anniversary of the fall of Saigon (April 30). This morning, my dad texted my mom and me. And so began my parents’ retelling of what happened that week in 1975 to their eldest daughter, who grew up loving pizza Hot Pockets more than anything in the entire world. They left Vietnam four days apart: my mom from the central region and my dad from what is now Ho Chi Minh City. My parents met three years later in an ESL summer school class at my mom’s high school. Lol. Iremember visiting the Vietnam War memorial in Washington, D.C., for the first time in 2011. It’s a …