June 6 (UPI) -- Peru will choose its next president Sunday in a runoff election between Keiko Fujimori, leader of the right-wing Popular Force party, and Roberto Sánchez, candidate of the leftist coalition Together for Peru. Nearly 28 million Peruvians are eligible to vote for what will be the country's ninth president in just 10 years, a figure that reflects Peru's deep institutional crisis and political fragmentation. Recent polls show Sánchez and Fujimori in a statistical tie, meaning the