Obama Dominates Tuesday’s Super Battle

Today's tally: Obama 4, Clinton 0

Backing the Land of Lincolner:

--Former Colorado governor, DNC chair Roy Romer.

Says on morning conference call: "There is a time we need to end it and direct ourselves to the general election. I think that time is now."

But he does not call for Clinton to drop out. Read more.

--DC Democratic Party Chair Anita Bonds.

--New Orleans Mayor Nagin. Read release.

--Indiana Rep. Donnelly. Read release.

Obama also wins a Maryland elected delegate, defecting from Clinton.