Portugal, Greece risk reawakening euro zone beast

Analysis: Portugal, Greece risk reawakening euro zone beast
A teetering Portuguese government has underlined the threat that the euro zone debt crisis, in hibernation for almost a year, may be about to reawaken. From Greece to Cyprus, Slovenia to Spain and Italy, and now most pressingly Portugal, where the finance and foreign ministers resigned in the space of two days, a host of problems is stirring after 10 months of relative calm imposed by the European Central Bank.