Ellen Johnson again faced incumbent William Tubman . There had been calls to boycott the election . The United Nations called on countries to refrain from violence . It is the second presidential election since the end of a 14-year civil war .
Ellen Johnson Sirleaf faced challenger Winston Tubman . There had been calls to boycott the election . The United Nations called on Liberians to refrain from violence . It is the second presidential election since the end of a 14-year civil war .