Thinking back to my sophomore year at the University of Scranton, I can't imagine anything other than parties and sleeping until 2 p.m. as my two top priorities. I think the same can be said for a lot of college sophomores. Unless you're Alessandra Siniscalco, who as an 18-year-old sophomore at Suffolk University, started Café Piazza Dolce in Winchester in 2005. "It was just a café," said Siniscalco, who first opened the store in the basement of her father's Main Street building and next to his salon. "We did coffee and pastries and I was only open when salon hours were open. Little by little…