monrovia liberia hold delay presidential run-off vote dec. 26 electoral commission chief say tuesday former soccer star george weah face vice-president joseph boakai poll hold several weeks court challenge candidate come third round one winner replace ellen johnson sirleaf president go smoothly liberia first peaceful handover power 70 years supreme court last week dismiss complaint third-place finisher charles brumskine liberty party say fraud undermine first round october electoral commission chairman jerome korkoya say campaign could start immediately must end december 24. liberians eager change nobel peace prize win sirleaf 12-year rule seal last peace country decades know war fail tackle corruption much improve lot poor liberia hold run-off vote december 26 electoral commission