Yesterday was a crazy day at P.S. 108 in Cypress Hills: An man suspected of robbery ran into the school, while waving a loaded gun. About one thousand students (the school is kindergarten through fifth grade) were ultimately evacuated, many in tears. The Post reports suspect, Edwin Austin, had been running from Fulton Street resident Richard Perez, who saw him "lurking in a second-floor hallway" of his house. Perez, his two relatives, and two plainclothes......