By Linas Jegelevicius in Vilnius A new populist champion has burst onto the Lithuanian political scene, shaking up what has otherwise been a rather listless campaign ahead of this weekend’s general election. Remigijus Zemaitaitis, a 42-year-old straight-talking lawyer, has barnstormed around the country, propelling his new Nemuno Ausra (The Dawn of the River Neman) party into second place, according to opinion polls. This could give him the the trump card in the formation of a new government, although nearly all the traditional parties have said they will not enter into coalition talks with hi…