A group of teenage survivors from the Marjory Stoneman High School shooting in Parkland, Florida, were in Cambridge on Tuesday to participate in a Harvard Kennedy School panel about the gun-control movement they launched a little over a month ago. I sat down with two of the students turned into activists, Ryan Deitsch and Alex Wind, to discuss their #NeverAgain campaign and their expectations for the national “March for Our Lives” this Saturday.

Marcela García is a Globe editorial writer. She can be reached at marcela.garcia@globe.com. Follow her on Twitter @marcela_elisa.