Like this year’s seniors, the Class of 1970 had its final semester disrupted: Fifty years ago, growing unrest over the Vietnam War led to the cancellation of MIT classes. In the podcast and transcript below, Karen Arenson ’70 and senior Bahrudin Trbalic share their experiences. Karen A.: My classmates and I do feel a connection to the Class of 2020 and empathize with the way their final semester has been up-ended. Narrator: When Class of 1970 president, Karen Arenson, graduated from MIT, the Institute and the world had dramatically changed…