Program on International Policy Attitudes (PIPA)Presidents Evo Morales of Bolivia and Nestor Kirchner of Argentina are the most popular heads of state in Latin America, according to polls taken in the spring of 2006 and compiled by Consulta Mitofsky.en-USEvo MoralesNestor KirchnerBoliviaArgentinaPresidents of Bolivia, Argentina Get Highest Approval Ratings in Latin AmericaArticle