Clinton's Deputy Campaign Manager Steps Aside  —  Mike Henry, deputy campaign manager for Sen. Hillary Rodham Clinton (N.Y.) has resigned, according to a source familiar with the decision.  —  Henry tendered his resignation yesterday morning but worked the last two days on a volunteer basis.

With a Surge in Momentum, Obama Makes His Case  —  WASHINGTON — The lopsided nature of Senator Barack Obama's parade of victories on Tuesday gives him an opening to make the case that Democratic voters have broken in his favor and that the party should coalesce around his candidacy.

Obama, McCain Sweep Potomac Primaries  —  Clinton Defeated in VA, MD, DC: McCain Wins MD, DC, and Battles Back Huckabee in VA  —  On a primary winning streak, Sen. Barack Obama, D-Ill., has swept the so-called Potomac primaries today, overwhelming defeating Senator Hillary Clinton, D-N.Y. …

Clinton Says Nothing About Losses  —  As news of her triple defeat in the Potomac Primary sank in, Sen. Hillary Rodham Clinton did what has become a specialty in recent weeks: She headed someplace else.  —  After flying from Virginia to Texas for a rally on Tuesday night …

Obama Sweeps Maryland, Virginia and D.C.  —  Sen. Barack Obama (Ill.) swept today's Democratic Potomac Primary, claiming a trio of victories to extend his consecutive winning streak over Sen. Hillary Rodham Clinton (N.Y.) to eight states and jurisdictions.  —  Obama won by wide margins in Virginia …

In Va., Huckabee Again Shows Strength on Right  —  Sen. John McCain (Ariz.) swept Republican primaries in Virginia, Maryland and the District last night, defeating former Arkansas governor Mike Huckabee and adding to his vast delegate lead in the race to become his party's presidential nominee.

Imad Mughniyeh, Hezbollah terror leader, killed in car bomb  —  Nicholas Blanford, of The Times, in Beirut  —  Imad Mughniyeh, the Hezbollah mastermind behind the kidnapping of Westerners in Beirut and many big terror attacks around the world in the 1980s and 1990s, was killed late last night in a car bomb explosion in Damascus.

Consolidated Potomac Primary Returns Thread  —  Update 2—Edwards Wins MD-04: The Washington Post has projected Donna Edwards as the winner in the Democratic primary for Maryland's 4th congressional district!  Yes, yes, yes!  I'm going to sign off for the night now, and provide updated pledged delegate …

Matthews: Obama Speech Caused ‘Thrill Going Up My Leg’  —  During MSNBC's live coverage of Tuesday's presidential primary elections, after the speeches of Barack Obama and John McCain had aired, Chris Matthews expressed his latest over the top admiration for Obama's speaking skills …