Mitt Romney continues to slog towards the GOP nomination with a five point win in Wisconsin and larger margin victories in Maryland and the District of Columbia.
Rick Santorum says the fight continues, at least through Pennsylvania on the 24th in hopes he wins his home state and can make it to more friendly states like TX and NC in May.
President Obama is convinced Mr. Romney is the nominee and has already started naming him by name in his campaign for a second term.
A Romney win in PA clearly ends the race, but the WI win was less than overwhelming considering the state's GOP establishment was all in for Mitt.
Primary results 2012: 5 takeaways from D.C., Maryland and Wisconsin - POLITICO.com