Top Democrat signals Sanders needs majority to claim nomination

US House Speaker Nancy Pelosi on Thursday signaled to Democratic frontrunner Bernie Sanders that he would need an outright majority of delegates, not just a plurality, to win the party's presidential nomination.Washington's top Democrat declined to say whether she would support the candidacy of Sanders -- flagbearer for the left-wing -- if he arrived at the party convention in July with the most delegates among the candidates, but still short of a majority.