Advertisement'We were already stretched thin:' A nursing shortage is straining D.C.-area hospitalsSeptember 28, 2022Colleen GrablickfacebookEmailNational Nurses United (NNU), staged a protest in front of the White House on Thursday, May 7, 2020. Area nurses stood among 88 pairs of white shoes, representing the number of nurses known to have died by that date of COVID-19, according to the union. (WAMU)