In 2012, as speculation increased that Greece might stop using the euro as its currency, the Wall Street Journal published an article that included this observation: “The Continent’s financial system remains vulnerable to the prospect that stampedes of customers could yank their deposits from [banks] perceived as shaky.” Were bank depositors afraid that banks were likely to fail? If not, what were they afraid of? Would depositors in U.S. banks be likely to have similar fears about U.S. banks? Briefly explain.