At 82, Mariquita "Tita" Calvo Leon Guerrero still makes her famed guyuria, or CHamoru jawbreaker cookies, but the COVID-19 pandemic has drastically cut her bakery's output.  From making some 2,000 guyuria a day prior to the pandemic, her Santa Rita bakery is now down to once-a-week production, depending on the demand, she said.  Dontana Keraskes/The Guam Daily Post