Alan De Herrera reports for Dogster: Fernando “Ferchy” Kushner founded Alimenta Perritos de la Calle (Feeding Street Dogs) in La Paz, Bolivia, which has sterilized over 800 dogs to date. Meet La Paz, Bolivia’s, dog savior, 45-year-old Fernando “Ferchy” Kushner. Ferchy has made it his life’s mission to help Bolivia’s homeless dog population. In 2015,…