Insight - Ukraine’s Chocolate King president finds promise tough to keep

Ukraine's President Petro Poroshenko delivers remarks during an ecumenical church service held at Ukrainian Greek Eparchy of Saints Peter and Paul of Melbourne, December 11, 2014. REUTERS/Mal Fairclough/Pool

KIEV (Reuters) - The Chocolate King is finding it difficult to relinquish his throne.

Petro Poroshenko, one of Ukraine's richest men and owner of a sweets empire, made an unusual promise last spring while campaigning to be president - if elected, he would sell most of his business assets.