16 Feb in 7:00 CNN While the EU is no stranger to crises, the past few weeks have thrown up issues that highlight the chasm between the grand ambition of Brussels and its capability. Things have been so bad that two of the bloc's most senior officials have been called on to resign, The most immediate problem is a Covid-19 vaccines scandal. Earlier in the pandemic, Brussels realized that a rush for vaccines could lead to wealthy member states buying huge supplies and poorer nations relying on their charity. It stepped in and secured deals with manufacturers at a better price than individual countries could negotiate.