The Alternative Democratic Pole (Spanish: Polo Democrático Alternativo or PDA) is a social democratic and democratic left party in Colombia political party in Colombia.It was founded as an political alliance of the Independent Democratic Pole (PDI) and the Democratic Alternative (AD) in December 2005. Both parties opposed the neoliberal economic program, securitization and (para-)militarization of Colombia under then-President Álvaro Uribe.