Swiss Franc to be managed: Where have we heard that before?

""With immediate effect, [the SNB] will no longer tolerate a EUR/CHF exchange rate below the minimum rate of CHF 1.20. The SNB will enforce this minimum rate with the utmost determination and is prepared to buy foreign currency in unlimited quantities," the SNB said. But analysts said the SNB's toughest battle lies ahead, particularly if ongoing tensions in the euro zone continue to stoke investor appetite for safe havens."