- Europe faces challenges on many fronts - over Greece, on migrant crisis and from Russia, writes Simon Tisdall
- Tisdall: In wake of UK's decision to hold in-out referendum on EU membership, clear there is appetite for genuine reform
- 200 years after Britain saved Europe at Waterloo, he adds, could UK PM David Cameron do same again?
Simon Tisdall is assistant editor and foreign affairs columnist at The Guardian. He was previously foreign editor of the Guardian and The Observer and served as White House correspondent and U.S. editor in Washington D.C. The opinions expressed in this commentary are solely his.
(CNN)Has the post-war dream of a grand union of democratic states been shattered beyond repair?