Panama: Herrera Still Leads Martinelli in Panama, Angus Reid Global Monitor (2008)
"Balbina Herrera of the Revolutionary Democratic Party (PRD) is still the most popular presidential contender in Panama, according to a poll by Dichter & Neira released by TVN Noticias and Panamá América. 34.3 per cent of respondents would vote for Herrera in next year’s ballot."
The link address is: http://www.angus-reid.com/polls/view/herrera_still_leads_martinelli_in_panama/