ssion with Mary Ruiz. a 10-year•old Girl Scout cookie-selling powerhouse. By RON LIEBER Published: February 8, 2013 TUCSON — When you buy a box of Girl Scout cookies and devour io in a single sifting, as untold numbers of people will in the next month, you are propping up a pretty sizable enterprise. BU

sion with Mary Ruiz, a 10-year-old Girl Scout cookie-selling powerhouse. By RON LIEBER Published: February 8, 2013 TUCSON — When you buy a box of Girl Scout cookies and devour 10 in a single sitting, as untold numbers of people will in the next month, you are propping up a pretty sizable enterprise. BU