Ukraine comedian vows to break old system in pre-vote debate

A comedian tipped to take over Ukraine's presidency vowed on Friday to dismantle the old political system as he went head-to-head with his incumbent rival in an extraordinary stadium debate before this weekend's vote.The hour-long debate at Kiev's Olympic Stadium capped a weeks-long sensational campaign in a war-torn country seen as a buffer between the European Union and Russia."I am not a politician," said Zelensky, opening the first and only policy debate of the presidential race.