Fresh-Squeezed Rivalry

David Ferrara: Fresh-squeezed capitalism echoed through the downtown air as the thermometer crept toward 90 on Saturday.



The oldest of the entrepreneurs were barely teenagers.



Best friends Stephanie Setterstrom and Hanna Tibbets set up a lemonade stand on the south side of Dauphin Street just west of Conception Street in Mobile.



"You get your lemon and your ade, and you mix it all up," they chanted in unison. "You get your straw and your lemon, and you put it in a cup."



Stephanie gazed at their rivals, her cousins.



Directly across the street, 9-year-old Emily Naman and her sisters, Anna, 5, and Laura, 7, had set up shop outside their parents' department store.



Each…