James Sharkey: All avenues for a peaceful end to war in Ukraine must be explored

Moscow may have the wherewithal to win a protracted war but at what terrible cost?

Mykola Volenshak checks his house that was destroyed by a Russian rocket as he tries to find documents under the rubble in Maxymilianivka village in Ukraine on Tuesday. Picture: Evgeniy Maloletka/AP

 'All we are saying is give peace a chance.’

This plaintive chant by John Lennon and Yoko Ono in 1969 became the rallying cry for a generation protesting the horrors of the Vietnam War.