NELSPRUIT, South Africa (AP) — Samoa scored back-to-back wins over Six Nations opposition by beating Italy 39-10 on Saturday, setting up a clash with the Springboks next weekend in the final of the four-nation tournament in South Africa.Samoa ran in four second-half tries and five in all after captain Paul Williams touched down in the first for a commanding win in the debut rugby test at Mbombela Stadium, the 2010 football World Cup venue.Wing Alapati Leiua scored his first test try in his second game for Samoa in the 42nd minute, centre Johnny Leota pounced on an Italian error for a breakaway in the 53rd, and No. 8 Tai Tu'ifua went over in the 64th.Italy had a lone penalty by flyhalf Luciano Orquera until its penalty try from a scrum in the 71st, before fullback Brando Va'aulu scored Samoa's fifth. Williams finished with 17 points and Samoa will play No. 2-ranked South Africa in the final after the Springboks beat Scotland 30-17 later Saturday.\Right from the start