This is the second of a two-part series on young lawyers starting their own firms. The first piece was published Thursday. Armed with a correction tape-equipped typewriter and a push-button phone, Peter J. Bilanzic had all the latest technology he needed to launch his solo law practice. His days of using an eraser with a brush to fix mistakes were over. It was 1980, and Bilanzic remembers thinking to himself, &ldquo …