Jennie and Gary Landsman launched an appeal to save their sons on Thanksgiving of 2017. By the end of the weekend the family, who live in Marine Park, Brooklyn, had raised $200,000.
In a moving three-minute video posted online, they sit on an overstuffed leather couch. Jennie glances away from the camera, betraying little emotion, as Gary talks.
Read more on technologyreview.com.