Nancy Pelosi says when the primaries are over, undecided superdelegates should make up their minds.
Harry Reid, whose caucus includes both contenders, also wants the nominee resolved before the party convention.
THE ELDER STATESMEN:
Al Gore has resisted entreaties to go public with his preference in the Democratic presidential race.
Jimmy Carter, as a former President, could have wide influence, should he decide to push for a resolution.
THE SUPERDELEGATE HUNTERS:
Tom Daschle, who heads Obama's effort to woo superdelegates, says very few are "truly undecided."
Harold Ickes, Clinton's adviser, is leading her campaign's push to seat Florida and Michigan delegates.