DALZELL, Ill. — The 76-year-old man was sitting at his kitchen table one Tuesday morning in June when he lost consciousness and fell to the floor. A few blocks away, Alex Justi’s emergency pager went off. The 24-year-old firefighter and paramedic is one of only six people who make up Dalzell’s volunteer-run fire department, and one of only two who lives in the town of about 660 residents in ...