Barack Obama's sweep of five caucuses last weekend, all by wide margins, hands the Illinois senator clear momentum heading into Tuesday's Potomac primary contests.
And there may be no relief in sight for his rival for the Democratic presidential nomination, Hillary Rodham Clinton, until March 4, Super Tuesday Junior. Then, the two face off in two big-delegate states - Texas and Ohio - plus Vermont and Rhode Island.
Obama's momentum from gains on Super Tuesday and last weekend in addition to favorable demographics will give him a big advantage over Hillary Clinton in the Potomac primaries. Photo by studiotobechi.