" It 's unprecedented . " --- Associated Press writers Frank Bajak and Vivian Sequera in Bogota , Colombia ; Nestor Ikeda in Washington ; Marco Sibaja in Brasilia , Brazil ; Alan Clendenning in Sao Paulo , Brazil ; Andrew Whalen in Lima , Peru ; Christopher Toothaker in San Antonio , Venezuela , and Fabiola Sanchez , Jorge Rueda and Ian James in Caracas , Venezuela , contributed to this report .