The Listín Diario publishes today its Sigma Dos poll on the standing of the contenders for the year 2000 presidential election. According to the survey, held 15-20 September, 37.6% favor Hipólito Mejía of the PRD; 28.1% favor Danilo Medina of the PLD; and 18% favor Joaquín Balaguer, yet only proclaimed by the Partido La Estructura. 93-year old Balaguer has yet to accept the candidacy of the PRSC. The Sigma Dos poll is the third published this month by leading Dominican media. All polls show Hipólito Mejía as the candidate to beat.