STAMFORD, Conn. — Former Vice President Al Gore and other politician dignitaries remembered the late Joe Lieberman Friday as a “mensch” who both bridged partisan political divides and wasn’t afraid to go against mainstream political currents, during a packed funeral service for the four-term U.S. senator.Noting there is no English equivalent for the Yiddish term, Gore — who ran for president on a Democratic ticket with Lieberman in the disputed 2000 election — told mourners at a …