Eric Laverriere was celebrating last New Year's Eve at a friend's house in Waltham when police broke up the party. They took him into protective custody and kept him locked in a cell for nine hours until the effects of a night of beer drinking wore off. In what legal experts believe to be a first-of-its-kind legal challenge, Laverriere filed suit against the Waltham Police Department in US District Court in Boston, contending that he has a constitutional right to get drunk on private property ''so long as he causes no public disturbance." Laverriere, a 25-year-old computer systems specialist from...