An elder statesman of the Republican party cast doubt about the legitimacy of the presidential election yesterday - three weeks before Americans go to the polls - by declaring the process was already "tainted" by voter fraud. The assertion from John Danforth, a former Missouri senator and ambassador to the UN, dramatically escalates charges by the John McCain camp that Barack Obama and the community organisation Acorn are trying to steal the election by bringing new voters into the electoral system. Danforth said canvassers for Acorn, which has registered 1.3 million new voters - mostly African-Americans, Latinos and young people...