MIAMI — A second man has been arrested in connection with an attack in Hialeah that sent a Republican voting canvasser to the hospital. Jonathan Alexander Casanova, 26, was arrested Tuesday at Pine Tree Park in Miami Beach in connection with the assault of Christopher Monzon, 27, who was passing out fliers for Republican U.S. Sen. Marco Rubio and Florida Gov. Ron DeSantis Sunday near 140 E. 60th St., just south of Amelia Earhart Park, according to Hialeah police. Police said Monzon got into an argument with Casanova and Javier Lopez, 25, who were blocking the sidewalk. Police said Monzon was s…