Toll of 9/11 illness deaths and disabilities to cost city $2 billion in pension funds

Tina Tilearcio pauses at a stone that is part of the new 9/11 Memorial Glade on the grounds of the National September 11 Memorial & Museum, after its dedication ceremony in New York. Her husband, Robert Tilearcio, died in 2017 of illness related to his recovery work at Ground Zero. (Seth Wenig/AP)